./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/eqn2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/eqn2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c5e7a5b5183897e81f3d009c328161669eb0a8a3042b507053cc41bb75da51c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:34:32,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:34:32,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:34:32,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:34:32,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:34:32,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:34:32,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:34:32,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:34:32,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:34:32,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:34:32,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:34:32,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:34:32,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:34:32,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:34:32,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:34:32,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:34:32,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:34:32,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:34:32,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:34:32,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:34:32,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:34:32,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:34:32,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:34:32,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:34:32,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:34:32,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:34:32,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:34:32,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:34:32,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:34:32,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:34:32,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:34:32,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:34:32,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:34:32,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:34:32,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:34:32,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:34:32,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:34:32,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:34:32,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:34:32,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:34:32,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:34:32,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:34:32,820 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:34:32,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:34:32,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:34:32,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:34:32,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:34:32,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:34:32,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:34:32,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:34:32,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:34:32,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:34:32,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:34:32,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:34:32,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:34:32,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:34:32,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:34:32,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:34:32,831 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:34:32,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:34:32,832 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:34:32,832 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:34:32,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:34:32,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:34:32,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:34:32,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:34:32,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:34:32,834 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:34:32,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:34:32,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:34:32,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c5e7a5b5183897e81f3d009c328161669eb0a8a3042b507053cc41bb75da51c [2021-11-23 00:34:33,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:34:33,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:34:33,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:34:33,141 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:34:33,142 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:34:33,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/eqn2.c [2021-11-23 00:34:33,242 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/data/80ed42eee/ad458a87b413438290b40e59116a12e2/FLAG365cda360 [2021-11-23 00:34:33,742 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:34:33,742 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/sv-benchmarks/c/array-fpi/eqn2.c [2021-11-23 00:34:33,749 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/data/80ed42eee/ad458a87b413438290b40e59116a12e2/FLAG365cda360 [2021-11-23 00:34:34,129 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/data/80ed42eee/ad458a87b413438290b40e59116a12e2 [2021-11-23 00:34:34,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:34:34,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:34:34,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:34:34,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:34:34,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:34:34,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56bd5dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34, skipping insertion in model container [2021-11-23 00:34:34,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:34:34,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:34:34,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/sv-benchmarks/c/array-fpi/eqn2.c[587,600] [2021-11-23 00:34:34,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:34:34,362 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:34:34,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/sv-benchmarks/c/array-fpi/eqn2.c[587,600] [2021-11-23 00:34:34,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:34:34,398 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:34:34,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34 WrapperNode [2021-11-23 00:34:34,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:34:34,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:34:34,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:34:34,400 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:34:34,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,437 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2021-11-23 00:34:34,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:34:34,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:34:34,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:34:34,439 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:34:34,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:34:34,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:34:34,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:34:34,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:34:34,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:34:34,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:34:34,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:34:34,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f9a8e38-3270-4149-ba7f-09ccb80bbcd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:34:34,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:34:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:34:34,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:34:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:34:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:34:34,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:34:34,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:34:34,614 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:34:34,616 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:34:34,762 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:34:34,818 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:34:34,819 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:34:34,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:34 BoogieIcfgContainer [2021-11-23 00:34:34,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:34:34,822 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:34:34,822 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:34:34,836 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:34:34,836 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:34:34" (1/1) ... [2021-11-23 00:34:34,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:34:34,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 00:34:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 00:34:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:34:34,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:34,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:35,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 00:34:35,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:35,214 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:34:35,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:34:35,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:35,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2021-11-23 00:34:35,552 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2021-11-23 00:34:35,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:34:35,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:35,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:35,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 00:34:35,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:35,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2021-11-23 00:34:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2021-11-23 00:34:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:34:35,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:35,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:35,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 00:34:35,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:36,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:36,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:36,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 20 states and 49 transitions. [2021-11-23 00:34:36,446 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 49 transitions. [2021-11-23 00:34:36,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:34:36,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:36,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:36,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:34:36,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:36,538 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:34:36,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:34:36,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:36,631 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:36,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:36,802 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:36,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:34:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:37,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:37,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 23 states and 60 transitions. [2021-11-23 00:34:37,775 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 60 transitions. [2021-11-23 00:34:37,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:34:37,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:37,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:37,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:34:37,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:38,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 27 states and 67 transitions. [2021-11-23 00:34:38,267 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 67 transitions. [2021-11-23 00:34:38,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:34:38,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:38,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:38,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 00:34:38,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:38,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:39,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 30 states and 76 transitions. [2021-11-23 00:34:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 76 transitions. [2021-11-23 00:34:39,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:34:39,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:39,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:39,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 00:34:39,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:39,469 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:39,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:39,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:39,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,637 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:39,646 INFO L354 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2021-11-23 00:34:39,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 202 treesize of output 320 [2021-11-23 00:34:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 64 [2021-11-23 00:34:39,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 64 [2021-11-23 00:34:39,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 61 [2021-11-23 00:34:39,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:39,946 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:39,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 46 [2021-11-23 00:34:40,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:40,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:40,161 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:40,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:40,172 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-11-23 00:34:40,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 64 treesize of output 58 [2021-11-23 00:34:40,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:40,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:40,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:40,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:40,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:40,319 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-23 00:34:40,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 81 treesize of output 68 [2021-11-23 00:34:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:42,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 35 states and 93 transitions. [2021-11-23 00:34:42,912 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 93 transitions. [2021-11-23 00:34:42,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:34:42,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:42,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:42,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:34:42,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:44,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:44,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 38 states and 106 transitions. [2021-11-23 00:34:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 106 transitions. [2021-11-23 00:34:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:44,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:44,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:44,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:44,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:44,588 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:44,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:44,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:44,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:44,625 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:44,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:44,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:44,884 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:44,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:45,332 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:45,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:45,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:47,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:47,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 44 states and 132 transitions. [2021-11-23 00:34:47,592 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 132 transitions. [2021-11-23 00:34:47,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:47,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:47,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:47,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:47,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:47,692 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:47,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:47,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:47,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:47,731 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:47,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:47,776 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:47,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:47,784 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:47,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:48,067 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:48,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:48,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 45 states and 133 transitions. [2021-11-23 00:34:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 133 transitions. [2021-11-23 00:34:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:48,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:48,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:48,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:48,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:48,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:48,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:48,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:48,294 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:48,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:48,446 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:48,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:48,455 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:48,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:48,673 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:48,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:48,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 46 states and 134 transitions. [2021-11-23 00:34:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 134 transitions. [2021-11-23 00:34:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:48,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:48,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:48,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:48,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:48,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:48,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:48,831 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:48,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:48,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:48,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:48,977 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:48,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:49,235 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:49,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 47 states and 135 transitions. [2021-11-23 00:34:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 135 transitions. [2021-11-23 00:34:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:49,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:49,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:49,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:49,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:49,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:49,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:49,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:49,428 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:49,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:49,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:49,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:49,503 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:49,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:49,710 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:49,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 48 states and 136 transitions. [2021-11-23 00:34:49,735 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 136 transitions. [2021-11-23 00:34:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:49,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:49,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:49,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:49,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:49,809 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:49,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:49,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:49,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:49,839 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:49,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:49,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:49,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:49,973 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:49,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:50,102 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:50,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 49 states and 137 transitions. [2021-11-23 00:34:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 137 transitions. [2021-11-23 00:34:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:50,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:50,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:50,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:50,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:50,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:50,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:50,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:50,295 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:50,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:50,427 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:50,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:50,436 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:50,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:50,648 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:50,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:50,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:50,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:50,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 50 states and 138 transitions. [2021-11-23 00:34:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 138 transitions. [2021-11-23 00:34:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:50,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:50,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:50,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:50,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:50,764 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:50,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:50,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:50,834 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:50,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:50,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:50,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:50,962 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:50,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:51,179 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:51,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:51,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 51 states and 139 transitions. [2021-11-23 00:34:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 139 transitions. [2021-11-23 00:34:51,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:51,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:51,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:51,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:51,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:51,278 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:51,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:51,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:51,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:51,317 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:51,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:51,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:51,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:51,461 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:51,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:51,706 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:51,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:51,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:51,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 52 states and 140 transitions. [2021-11-23 00:34:51,730 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 140 transitions. [2021-11-23 00:34:51,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:51,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:51,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:51,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:51,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:51,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:51,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:51,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:51,885 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:51,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:51,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:51,928 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:51,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:52,173 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:52,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 53 states and 141 transitions. [2021-11-23 00:34:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 141 transitions. [2021-11-23 00:34:52,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:52,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:52,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:52,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:52,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:52,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:52,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:52,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:52,351 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:52,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:52,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:52,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:52,481 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:52,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:52,702 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:52,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 54 states and 142 transitions. [2021-11-23 00:34:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 142 transitions. [2021-11-23 00:34:52,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:52,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:52,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:52,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:52,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:52,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:52,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:52,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:52,879 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:52,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:53,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:53,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:53,014 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:53,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:53,228 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:53,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:53,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:53,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2021-11-23 00:34:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2021-11-23 00:34:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:53,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:53,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:53,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:53,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:53,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:53,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:53,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:53,394 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:53,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:53,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:53,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:53,535 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:53,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:53,754 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:53,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:53,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:53,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 56 states and 144 transitions. [2021-11-23 00:34:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 144 transitions. [2021-11-23 00:34:53,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:53,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:53,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:53,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:53,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:53,862 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:53,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:53,876 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:53,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:53,893 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:53,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:54,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:54,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:54,035 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:54,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:54,293 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:54,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:54,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:54,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:54,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 57 states and 145 transitions. [2021-11-23 00:34:54,316 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 145 transitions. [2021-11-23 00:34:54,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:54,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:54,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:54,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:54,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:54,402 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:54,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:54,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:54,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:54,432 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:54,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:54,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:54,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:54,482 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:54,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:54,692 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:54,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:54,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 58 states and 146 transitions. [2021-11-23 00:34:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 146 transitions. [2021-11-23 00:34:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:54,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:54,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:54,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:54,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:54,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:54,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:54,866 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:54,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:54,970 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:54,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:54,980 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:54,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:55,183 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:55,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:55,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:55,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 59 states and 147 transitions. [2021-11-23 00:34:55,210 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 147 transitions. [2021-11-23 00:34:55,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:55,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:55,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:55,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:55,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:55,301 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:55,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:55,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:55,334 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:55,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:55,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:55,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:55,377 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:55,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:34:55,621 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:34:55,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:34:55,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:55,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 60 states and 148 transitions. [2021-11-23 00:34:55,640 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 148 transitions. [2021-11-23 00:34:55,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:55,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:55,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:55,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:55,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:55,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:55,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:55,728 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:55,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:55,821 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:55,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:34:56,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:57,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:57,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 62 states and 155 transitions. [2021-11-23 00:34:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 155 transitions. [2021-11-23 00:34:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:57,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:57,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:57,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:34:57,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:57,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:57,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:34:57,751 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:34:57,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:57,852 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:34:57,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:34:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:59,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 66 states and 182 transitions. [2021-11-23 00:34:59,653 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 182 transitions. [2021-11-23 00:34:59,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:34:59,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:59,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:59,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:34:59,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:34:59,733 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:34:59,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:34:59,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:34:59,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:59,760 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:34:59,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:34:59,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:34:59,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:34:59,877 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:34:59,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:00,082 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:00,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:00,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 67 states and 183 transitions. [2021-11-23 00:35:00,101 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 183 transitions. [2021-11-23 00:35:00,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:00,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:00,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:00,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:00,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:00,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:00,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:00,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:00,251 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:00,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:00,470 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:00,479 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:00,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:00,714 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:00,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:00,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 68 states and 184 transitions. [2021-11-23 00:35:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 184 transitions. [2021-11-23 00:35:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:00,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:00,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:00,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:00,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:00,817 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:00,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:35:00,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:00,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:00,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:01,287 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:01,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:35:01,855 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:35:01,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:35:01,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:02,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 185 transitions. [2021-11-23 00:35:02,670 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 185 transitions. [2021-11-23 00:35:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:02,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:02,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:02,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:02,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:02,749 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:02,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:02,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:02,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:02,777 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:02,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:02,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:02,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:02,823 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:02,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:03,007 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:03,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 70 states and 186 transitions. [2021-11-23 00:35:03,027 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 186 transitions. [2021-11-23 00:35:03,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:03,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:03,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:03,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:03,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:03,111 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:03,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:03,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:03,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:03,138 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:03,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:03,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:03,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:03,189 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:03,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:03,409 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:03,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:03,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 71 states and 187 transitions. [2021-11-23 00:35:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 187 transitions. [2021-11-23 00:35:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:03,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:03,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:03,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:03,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:03,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:03,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:03,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:03,579 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:03,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:03,710 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:03,718 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:03,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:03,923 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:03,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:03,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:03,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:03,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 72 states and 188 transitions. [2021-11-23 00:35:03,953 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 188 transitions. [2021-11-23 00:35:03,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:03,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:03,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:04,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:04,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:04,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:04,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:04,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:04,089 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:04,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:04,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:04,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:04,205 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:04,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:04,403 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:04,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 73 states and 189 transitions. [2021-11-23 00:35:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 189 transitions. [2021-11-23 00:35:04,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:04,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:04,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:04,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:04,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:04,504 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:04,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:04,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:04,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:04,533 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:04,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:04,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:04,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:04,680 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:04,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:04,812 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:04,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:04,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:04,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 74 states and 190 transitions. [2021-11-23 00:35:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 190 transitions. [2021-11-23 00:35:04,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:04,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:04,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:04,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:04,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:04,915 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:04,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:04,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:04,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:04,944 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:04,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:04,973 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:04,983 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:04,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:05,225 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:05,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:05,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 75 states and 191 transitions. [2021-11-23 00:35:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2021-11-23 00:35:05,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:05,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:05,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:05,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:05,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:05,330 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:05,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:05,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:05,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:05,359 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:05,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:05,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:05,405 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:05,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:05,641 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:05,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:05,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:05,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 76 states and 192 transitions. [2021-11-23 00:35:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 192 transitions. [2021-11-23 00:35:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:05,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:05,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:05,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:05,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:05,735 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:05,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:05,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:05,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:05,761 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:05,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:05,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:05,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:05,907 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:05,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:06,016 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:06,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:06,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 77 states and 193 transitions. [2021-11-23 00:35:06,051 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 193 transitions. [2021-11-23 00:35:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:06,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:06,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:06,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:06,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:06,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:06,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:06,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:06,206 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:06,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:06,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:06,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:06,350 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:06,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:06,543 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:06,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:06,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 78 states and 194 transitions. [2021-11-23 00:35:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 194 transitions. [2021-11-23 00:35:06,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:06,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:06,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:06,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:06,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:06,643 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:06,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:35:06,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:06,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:06,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:06,738 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:06,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:35:06,871 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:35:06,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:35:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:07,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 80 states and 203 transitions. [2021-11-23 00:35:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 203 transitions. [2021-11-23 00:35:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:07,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:07,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:07,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:07,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:07,718 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:07,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:07,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:07,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:07,761 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:07,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:07,881 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:07,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:07,890 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:07,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:08,127 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:08,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:08,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:08,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 81 states and 204 transitions. [2021-11-23 00:35:08,149 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 204 transitions. [2021-11-23 00:35:08,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:08,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:08,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:08,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:08,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:08,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:08,225 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:08,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:08,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:08,255 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:08,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:08,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:08,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:08,409 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:08,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:08,622 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:08,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:08,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 205 transitions. [2021-11-23 00:35:08,643 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 205 transitions. [2021-11-23 00:35:08,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:08,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:08,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:08,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:08,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:08,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:08,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:08,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:08,779 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:08,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:08,810 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:08,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:08,817 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:08,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:09,005 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:09,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:09,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:09,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:09,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 83 states and 206 transitions. [2021-11-23 00:35:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 206 transitions. [2021-11-23 00:35:09,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:09,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:09,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:09,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:09,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:09,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:09,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:09,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:09,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:09,328 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:09,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:35:09,636 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:35:09,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:35:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 87 states and 241 transitions. [2021-11-23 00:35:11,461 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 241 transitions. [2021-11-23 00:35:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:11,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:11,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:11,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:11,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:11,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:11,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:11,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:11,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:11,599 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:11,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:35:11,865 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:35:11,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:35:11,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 88 states and 242 transitions. [2021-11-23 00:35:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 242 transitions. [2021-11-23 00:35:11,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:11,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:11,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:11,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:11,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:11,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:11,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:11,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:12,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:12,039 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:12,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:12,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:12,191 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:12,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:12,385 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:12,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:12,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 89 states and 243 transitions. [2021-11-23 00:35:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 243 transitions. [2021-11-23 00:35:12,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:12,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:12,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:12,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:12,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:12,473 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:12,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:12,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:12,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:12,504 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:12,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:12,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:12,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:12,549 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:12,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:12,755 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:12,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:12,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 90 states and 244 transitions. [2021-11-23 00:35:12,779 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 244 transitions. [2021-11-23 00:35:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:12,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:12,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:12,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:12,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:12,864 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:12,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:12,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:12,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:12,891 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:12,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:13,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:13,048 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:13,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:13,293 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:13,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:13,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:13,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 91 states and 245 transitions. [2021-11-23 00:35:13,318 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 245 transitions. [2021-11-23 00:35:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:13,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:13,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:13,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:13,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:13,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:13,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:13,466 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:13,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:13,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:13,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:13,592 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:13,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:13,797 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:13,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:13,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:13,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:13,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 92 states and 246 transitions. [2021-11-23 00:35:13,818 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 246 transitions. [2021-11-23 00:35:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:13,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:13,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:13,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:13,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:13,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:13,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:13,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:13,973 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:13,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:14,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:14,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:14,019 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:14,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:14,289 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:14,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:14,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:14,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:14,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 93 states and 247 transitions. [2021-11-23 00:35:14,312 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 247 transitions. [2021-11-23 00:35:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:14,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:14,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:14,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:14,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:14,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:14,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:14,395 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:14,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:14,447 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:14,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:14,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:14,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 94 states and 248 transitions. [2021-11-23 00:35:14,642 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 248 transitions. [2021-11-23 00:35:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:14,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:14,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:14,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:14,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:14,716 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:14,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:14,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:14,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:14,742 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:14,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:14,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:14,894 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:14,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:15,118 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:15,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:15,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 95 states and 249 transitions. [2021-11-23 00:35:15,132 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 249 transitions. [2021-11-23 00:35:15,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:15,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:15,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:15,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:15,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:15,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:15,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:15,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:15,276 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:15,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:15,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:15,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:15,424 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:15,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:15,657 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:15,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:15,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:15,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 96 states and 250 transitions. [2021-11-23 00:35:15,673 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 250 transitions. [2021-11-23 00:35:15,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:15,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:15,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:15,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:15,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:15,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:15,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:15,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:15,804 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:15,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:15,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:15,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:15,844 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:15,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:16,044 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:16,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 97 states and 251 transitions. [2021-11-23 00:35:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 251 transitions. [2021-11-23 00:35:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:16,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:16,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:16,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:16,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:16,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:16,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:16,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:16,197 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:16,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:16,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:16,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:16,314 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:16,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:16,508 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:16,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:16,512 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:16,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 98 states and 252 transitions. [2021-11-23 00:35:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 252 transitions. [2021-11-23 00:35:16,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:16,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:16,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:16,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:16,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:16,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:16,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:16,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:16,659 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:16,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:16,785 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:16,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:16,796 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:16,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:17,014 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:17,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:17,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:17,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:17,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 99 states and 253 transitions. [2021-11-23 00:35:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 253 transitions. [2021-11-23 00:35:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:17,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:17,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:17,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:17,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:17,120 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:17,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:17,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:17,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:17,150 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:17,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:17,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:17,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:17,279 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:17,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:17,477 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:17,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:17,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2021-11-23 00:35:17,500 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2021-11-23 00:35:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:17,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:17,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:17,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:17,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:17,571 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:17,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:35:17,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:17,722 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:17,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:18,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:18,130 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 00:35:18,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 50 [2021-11-23 00:35:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 102 states and 265 transitions. [2021-11-23 00:35:20,606 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 265 transitions. [2021-11-23 00:35:20,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:20,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:20,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:20,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:20,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:20,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:20,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:20,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:20,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:20,744 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:20,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:35:21,029 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:35:21,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:35:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:21,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:21,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 103 states and 266 transitions. [2021-11-23 00:35:21,042 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 266 transitions. [2021-11-23 00:35:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:21,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:21,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:21,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:21,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:21,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:21,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:21,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:21,172 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:21,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:21,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:21,291 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:21,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:21,487 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:21,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:21,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:21,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 104 states and 267 transitions. [2021-11-23 00:35:21,508 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 267 transitions. [2021-11-23 00:35:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:21,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:21,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:21,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:21,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:21,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:21,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:21,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:21,629 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:21,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:21,656 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:21,663 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:21,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:21,743 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:21,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:21,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:21,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 105 states and 268 transitions. [2021-11-23 00:35:21,758 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 268 transitions. [2021-11-23 00:35:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:21,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:21,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:21,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:21,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:21,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:21,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:21,902 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:21,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:22,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:22,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:22,026 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:22,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:22,212 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:22,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:22,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 106 states and 269 transitions. [2021-11-23 00:35:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 269 transitions. [2021-11-23 00:35:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:22,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:22,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:22,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:22,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:22,290 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:22,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:22,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:22,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:22,333 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:22,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:22,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:22,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:22,498 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:22,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:22,707 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:22,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:22,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 107 states and 270 transitions. [2021-11-23 00:35:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 270 transitions. [2021-11-23 00:35:22,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:22,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:22,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:22,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:22,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:22,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:22,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:22,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:22,873 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:22,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:22,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:23,001 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:23,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:23,221 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:23,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:23,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:23,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:23,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 108 states and 271 transitions. [2021-11-23 00:35:23,243 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 271 transitions. [2021-11-23 00:35:23,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:23,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:23,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:23,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:23,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:23,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:23,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:23,337 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:23,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:23,410 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:23,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:23,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 109 states and 272 transitions. [2021-11-23 00:35:23,613 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 272 transitions. [2021-11-23 00:35:23,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:23,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:23,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:23,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:23,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:23,685 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:23,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:23,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:23,707 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:23,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:23,820 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:23,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:23,827 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:23,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:24,038 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:24,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:24,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 110 states and 273 transitions. [2021-11-23 00:35:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 273 transitions. [2021-11-23 00:35:24,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:24,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:24,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:24,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:24,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:24,153 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:24,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:24,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:24,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:24,176 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:24,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:24,290 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:24,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:24,297 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:24,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:24,485 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:24,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:24,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:24,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 111 states and 274 transitions. [2021-11-23 00:35:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 274 transitions. [2021-11-23 00:35:24,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:24,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:24,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:24,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:24,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:24,577 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:24,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:24,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:24,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:24,600 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:24,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:24,714 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:24,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:24,721 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:24,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:24,924 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:24,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:24,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 112 states and 275 transitions. [2021-11-23 00:35:24,942 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 275 transitions. [2021-11-23 00:35:24,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:24,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:24,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:25,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:25,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:25,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:25,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:25,112 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:25,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:25,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:25,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:25,252 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:25,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:25,450 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:25,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 113 states and 276 transitions. [2021-11-23 00:35:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 276 transitions. [2021-11-23 00:35:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:25,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:25,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:25,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:25,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:25,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:25,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:25,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:25,594 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:25,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:25,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:25,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:25,719 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:25,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:25,935 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:25,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 114 states and 277 transitions. [2021-11-23 00:35:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 277 transitions. [2021-11-23 00:35:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:25,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:25,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:26,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:26,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:26,050 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:26,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:26,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:26,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:26,080 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:26,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:26,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:26,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:26,248 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:26,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:26,493 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:26,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:26,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 115 states and 278 transitions. [2021-11-23 00:35:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 278 transitions. [2021-11-23 00:35:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:26,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:26,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:26,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:26,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:26,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:26,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:26,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:26,648 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:26,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:26,761 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:26,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:26,768 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:26,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:26,981 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:26,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:26,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 116 states and 279 transitions. [2021-11-23 00:35:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 279 transitions. [2021-11-23 00:35:26,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:26,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:26,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:27,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:27,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:27,072 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:27,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:27,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:27,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:27,101 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:27,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:27,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:27,242 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:27,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:27,453 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:27,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:27,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:27,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 117 states and 280 transitions. [2021-11-23 00:35:27,469 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 280 transitions. [2021-11-23 00:35:27,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:27,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:27,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:27,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:27,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:27,539 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:27,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:27,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:27,561 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:27,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:27,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:27,595 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:27,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:27,821 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:27,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:27,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 118 states and 281 transitions. [2021-11-23 00:35:27,839 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 281 transitions. [2021-11-23 00:35:27,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:27,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:27,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:27,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:27,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:27,911 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:27,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:35:27,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:27,942 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:27,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:28,030 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:28,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:28,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 119 states and 282 transitions. [2021-11-23 00:35:28,229 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 282 transitions. [2021-11-23 00:35:28,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:28,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:28,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:28,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:28,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:28,320 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:28,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:28,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:28,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:28,347 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:28,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:28,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:28,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:28,479 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:28,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:28,704 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:28,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:28,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:28,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 120 states and 283 transitions. [2021-11-23 00:35:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 283 transitions. [2021-11-23 00:35:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:28,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:28,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:28,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:28,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:28,797 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:28,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:28,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:28,817 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:28,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:28,932 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:28,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:28,939 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:28,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:29,144 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:29,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:29,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:29,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:29,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 121 states and 284 transitions. [2021-11-23 00:35:29,161 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 284 transitions. [2021-11-23 00:35:29,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:29,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:29,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:29,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:29,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:29,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:29,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:29,241 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:29,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:29,331 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:29,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 122 states and 285 transitions. [2021-11-23 00:35:29,547 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 285 transitions. [2021-11-23 00:35:29,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:29,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:29,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:29,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:29,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:29,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:29,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:29,633 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:29,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:29,741 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:29,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:29,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 123 states and 286 transitions. [2021-11-23 00:35:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 286 transitions. [2021-11-23 00:35:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:29,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:29,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:30,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:30,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:30,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:30,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:30,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:30,081 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:30,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:30,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:30,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:30,217 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:30,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:30,427 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:30,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 124 states and 287 transitions. [2021-11-23 00:35:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 287 transitions. [2021-11-23 00:35:30,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:30,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:30,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:30,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:30,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:30,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:30,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:30,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:30,579 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:30,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:30,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:30,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:30,706 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:30,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:30,907 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:30,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:30,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:30,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 125 states and 288 transitions. [2021-11-23 00:35:30,926 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 288 transitions. [2021-11-23 00:35:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:30,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:30,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:30,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:30,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:31,008 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:31,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:31,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:31,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:31,043 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:31,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:31,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:31,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:31,176 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:31,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:31,258 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:31,259 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:31,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:31,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:31,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 126 states and 289 transitions. [2021-11-23 00:35:31,274 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 289 transitions. [2021-11-23 00:35:31,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:31,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:31,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:31,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:31,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:31,362 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:31,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:31,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:31,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:31,391 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:31,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:31,532 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:31,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:31,539 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:31,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:31,742 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:31,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:31,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 127 states and 290 transitions. [2021-11-23 00:35:31,760 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 290 transitions. [2021-11-23 00:35:31,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:31,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:31,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:31,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:31,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:31,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:31,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:31,887 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:31,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:32,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:32,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:32,014 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:32,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:32,222 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:32,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:32,226 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 128 states and 291 transitions. [2021-11-23 00:35:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 291 transitions. [2021-11-23 00:35:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:32,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:32,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:32,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:32,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:32,308 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:32,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:35:32,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:32,332 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:32,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:32,431 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:32,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 129 states and 292 transitions. [2021-11-23 00:35:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 292 transitions. [2021-11-23 00:35:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:32,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:32,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:32,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:32,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:32,741 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:32,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:32,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:32,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:32,760 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:32,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:32,898 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:32,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:32,907 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:32,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:33,114 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:33,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:33,118 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:33,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 130 states and 293 transitions. [2021-11-23 00:35:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 293 transitions. [2021-11-23 00:35:33,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:33,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:33,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:33,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:33,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:33,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:33,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:33,207 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:33,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:33,299 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:33,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:33,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:33,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 131 states and 294 transitions. [2021-11-23 00:35:33,542 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 294 transitions. [2021-11-23 00:35:33,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:33,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:33,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:33,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:33,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:33,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:33,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:33,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:33,670 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:33,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:33,801 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:33,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:33,811 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:33,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:34,092 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:34,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:34,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:34,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 132 states and 295 transitions. [2021-11-23 00:35:34,112 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 295 transitions. [2021-11-23 00:35:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:34,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:34,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:34,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:34,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:34,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:34,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:34,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:34,239 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:34,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:34,268 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:34,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:34,275 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:34,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:34,492 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:34,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:34,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 133 states and 296 transitions. [2021-11-23 00:35:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 296 transitions. [2021-11-23 00:35:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:34,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:34,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:34,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:34,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:34,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:34,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:34,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:34,626 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:34,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:34,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:34,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:34,662 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:34,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:34,850 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:34,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:34,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 134 states and 297 transitions. [2021-11-23 00:35:34,871 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 297 transitions. [2021-11-23 00:35:34,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:34,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:34,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:34,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:34,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:34,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:34,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:34,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:35,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:35,010 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:35,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:35,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:35,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:35,059 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:35,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:35,286 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:35,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:35,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:35,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 135 states and 298 transitions. [2021-11-23 00:35:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 298 transitions. [2021-11-23 00:35:35,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:35,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:35,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:35,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:35,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:35,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:35,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:35,373 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:35,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:35,470 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:35,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:35,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 136 states and 299 transitions. [2021-11-23 00:35:35,709 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 299 transitions. [2021-11-23 00:35:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:35,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:35,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:35,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:35,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:35,784 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:35,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:35,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:35,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:35,805 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:35,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:35,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:35,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:35,841 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:35,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:36,053 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:36,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:36,057 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 137 states and 300 transitions. [2021-11-23 00:35:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 300 transitions. [2021-11-23 00:35:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:36,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:36,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:36,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:36,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:36,150 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:36,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:35:36,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:36,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:36,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:36,365 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:36,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:35:36,728 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:35:36,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:35:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:36,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 138 states and 301 transitions. [2021-11-23 00:35:36,751 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 301 transitions. [2021-11-23 00:35:36,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:36,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:36,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:36,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:36,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:36,827 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:36,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:36,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:36,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:36,856 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:36,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:36,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:36,897 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:36,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:37,139 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:37,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:37,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:37,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:37,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 139 states and 302 transitions. [2021-11-23 00:35:37,157 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 302 transitions. [2021-11-23 00:35:37,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:37,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:37,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:37,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:37,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:37,212 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:37,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:37,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:37,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:37,235 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:37,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:37,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:37,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:37,359 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:37,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:37,595 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:37,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:37,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:37,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 140 states and 303 transitions. [2021-11-23 00:35:37,614 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 303 transitions. [2021-11-23 00:35:37,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:37,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:37,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:37,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:37,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:37,695 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:37,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:37,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:37,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:37,721 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:37,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:37,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:37,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:37,763 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:37,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:38,038 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:38,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:38,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 141 states and 304 transitions. [2021-11-23 00:35:38,056 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 304 transitions. [2021-11-23 00:35:38,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:38,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:38,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:38,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:38,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:38,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:38,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:38,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:38,197 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:38,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:38,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:38,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:38,343 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:38,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:38,558 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:38,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:38,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:38,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 142 states and 305 transitions. [2021-11-23 00:35:38,571 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 305 transitions. [2021-11-23 00:35:38,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:38,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:38,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:38,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:38,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:38,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:38,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:38,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:38,736 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:38,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:38,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:38,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:38,870 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:38,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:39,077 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:39,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:39,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 143 states and 306 transitions. [2021-11-23 00:35:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 306 transitions. [2021-11-23 00:35:39,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:39,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:39,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:39,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:39,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:39,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:39,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:39,191 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:39,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:39,324 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:39,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:39,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 144 states and 307 transitions. [2021-11-23 00:35:39,556 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 307 transitions. [2021-11-23 00:35:39,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:39,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:39,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:39,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:39,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:39,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:39,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:39,634 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:39,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:39,696 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 00:35:39,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 50 [2021-11-23 00:35:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:40,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 145 states and 308 transitions. [2021-11-23 00:35:40,196 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 308 transitions. [2021-11-23 00:35:40,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:40,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:40,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:40,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:40,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:40,267 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:40,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:40,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:40,287 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:40,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:40,314 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:40,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:40,321 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:40,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:40,527 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:40,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:40,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:40,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 146 states and 309 transitions. [2021-11-23 00:35:40,541 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 309 transitions. [2021-11-23 00:35:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:40,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:40,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:40,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:40,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:40,621 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:40,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:35:40,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:40,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:40,870 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:40,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:35:41,210 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:35:41,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:35:41,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:41,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:41,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 147 states and 310 transitions. [2021-11-23 00:35:41,226 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 310 transitions. [2021-11-23 00:35:41,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:41,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:41,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:41,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:41,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:41,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:41,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:41,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:41,378 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:41,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:41,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:41,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:41,424 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:41,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:41,691 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:41,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:41,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 148 states and 311 transitions. [2021-11-23 00:35:41,711 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 311 transitions. [2021-11-23 00:35:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:41,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:41,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:41,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:41,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:41,798 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:41,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:41,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:41,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:41,827 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:41,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:41,866 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:41,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:41,875 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:41,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:42,117 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:42,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:42,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:42,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 149 states and 312 transitions. [2021-11-23 00:35:42,131 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 312 transitions. [2021-11-23 00:35:42,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:42,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:42,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:42,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:42,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:42,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:42,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:42,219 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:42,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:42,279 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:42,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:42,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 150 states and 313 transitions. [2021-11-23 00:35:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 313 transitions. [2021-11-23 00:35:42,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:42,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:42,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:42,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:42,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:42,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:42,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:42,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:42,684 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:42,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:42,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:42,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:42,853 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:42,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:43,066 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:43,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:43,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 151 states and 314 transitions. [2021-11-23 00:35:43,081 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 314 transitions. [2021-11-23 00:35:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:43,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:43,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:43,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:43,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:43,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:43,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:43,191 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:43,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:43,281 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:43,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 152 states and 315 transitions. [2021-11-23 00:35:43,509 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 315 transitions. [2021-11-23 00:35:43,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:43,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:43,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:43,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:43,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:43,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:43,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:43,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:43,682 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:43,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:43,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:43,724 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:43,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:43,962 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:43,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:43,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 153 states and 316 transitions. [2021-11-23 00:35:43,979 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 316 transitions. [2021-11-23 00:35:43,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:43,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:43,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:44,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:44,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:44,054 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:44,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:44,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:44,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:44,076 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:44,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:44,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:44,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:44,215 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:44,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:44,447 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:44,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:44,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 154 states and 317 transitions. [2021-11-23 00:35:44,464 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 317 transitions. [2021-11-23 00:35:44,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:44,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:44,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:44,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:44,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:44,568 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:44,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:35:44,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:44,604 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:44,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:44,756 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:44,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:45,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:45,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:45,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 155 states and 318 transitions. [2021-11-23 00:35:45,050 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 318 transitions. [2021-11-23 00:35:45,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:45,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:45,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:45,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:45,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:45,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:45,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:45,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:45,192 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:45,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:45,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:45,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:45,345 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:45,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:45,575 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:45,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:45,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:45,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 156 states and 319 transitions. [2021-11-23 00:35:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 319 transitions. [2021-11-23 00:35:45,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:45,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:45,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:45,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:45,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:45,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:45,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:45,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:45,765 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:45,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:45,944 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:45,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:45,953 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:45,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:46,236 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:46,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:46,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:46,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 157 states and 320 transitions. [2021-11-23 00:35:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 320 transitions. [2021-11-23 00:35:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:46,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:46,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:46,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:46,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:46,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:46,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:46,340 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:46,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:46,461 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:46,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:46,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 158 states and 321 transitions. [2021-11-23 00:35:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 321 transitions. [2021-11-23 00:35:46,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:46,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:46,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:46,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:46,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:46,826 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:46,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:46,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:46,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:46,851 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:46,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:47,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:47,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:47,049 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:47,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:47,333 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:47,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:47,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 159 states and 322 transitions. [2021-11-23 00:35:47,347 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 322 transitions. [2021-11-23 00:35:47,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:47,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:47,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:47,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:47,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:47,440 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:47,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:47,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:47,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:47,469 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:47,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:47,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:47,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:47,634 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:47,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:47,716 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:47,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 160 states and 323 transitions. [2021-11-23 00:35:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 323 transitions. [2021-11-23 00:35:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:47,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:47,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:47,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:47,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:47,811 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:47,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:47,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:47,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:47,832 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:47,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:47,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:47,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:47,984 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:47,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:48,247 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:48,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:48,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:48,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 161 states and 324 transitions. [2021-11-23 00:35:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 324 transitions. [2021-11-23 00:35:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:48,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:48,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:48,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:48,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:48,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:48,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:48,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:48,420 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:48,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:48,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:48,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:48,576 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:48,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:48,812 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:48,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:48,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 162 states and 325 transitions. [2021-11-23 00:35:48,826 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 325 transitions. [2021-11-23 00:35:48,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:48,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:48,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:48,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:48,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:48,897 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:35:48,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:35:48,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:48,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:48,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:49,145 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:49,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:35:49,553 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:35:49,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:35:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:49,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:49,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 163 states and 326 transitions. [2021-11-23 00:35:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 326 transitions. [2021-11-23 00:35:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:49,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:49,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:49,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:49,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:49,633 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:49,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:49,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:49,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:49,658 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:49,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:49,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:49,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:49,811 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:49,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:50,013 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:50,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:50,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:50,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 164 states and 327 transitions. [2021-11-23 00:35:50,030 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 327 transitions. [2021-11-23 00:35:50,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:50,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:50,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:50,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:50,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:50,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:50,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:50,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:50,167 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:50,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:50,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:50,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:50,310 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:50,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:50,391 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:50,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:50,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 165 states and 328 transitions. [2021-11-23 00:35:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 328 transitions. [2021-11-23 00:35:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:50,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:50,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:50,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:50,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:50,469 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:50,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:50,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:50,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:50,493 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:50,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:50,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:50,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:50,638 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:50,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:50,865 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:50,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 166 states and 329 transitions. [2021-11-23 00:35:50,883 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 329 transitions. [2021-11-23 00:35:50,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:50,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:50,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:50,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:50,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:50,959 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:50,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:50,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:50,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:50,983 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:50,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:51,130 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:51,137 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:51,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:51,352 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:51,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 167 states and 330 transitions. [2021-11-23 00:35:51,368 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 330 transitions. [2021-11-23 00:35:51,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:51,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:51,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:51,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:51,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:51,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:51,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:51,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:51,502 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:51,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:51,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:51,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:51,665 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:51,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:51,779 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:51,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 168 states and 331 transitions. [2021-11-23 00:35:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 331 transitions. [2021-11-23 00:35:51,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:51,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:51,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:51,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:51,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:51,859 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:51,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:51,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:51,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:51,881 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:51,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:51,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:51,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:51,916 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:51,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:51,998 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:51,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 169 states and 332 transitions. [2021-11-23 00:35:52,018 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 332 transitions. [2021-11-23 00:35:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:52,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:52,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:52,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:52,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:52,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:52,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:52,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:52,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:52,160 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:52,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:52,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:52,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:52,294 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:52,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:52,567 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:52,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:52,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:52,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 170 states and 333 transitions. [2021-11-23 00:35:52,583 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 333 transitions. [2021-11-23 00:35:52,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:52,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:52,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:52,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:52,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:52,660 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:52,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:52,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:52,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:52,680 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:52,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:52,709 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:52,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:52,716 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:52,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:52,936 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:52,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:52,940 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:52,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 171 states and 334 transitions. [2021-11-23 00:35:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 334 transitions. [2021-11-23 00:35:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:52,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:52,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:53,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:53,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:53,040 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:53,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:53,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:53,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:53,062 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:53,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:53,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:53,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:53,096 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:53,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:53,374 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:53,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:53,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:53,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:53,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 172 states and 335 transitions. [2021-11-23 00:35:53,406 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 335 transitions. [2021-11-23 00:35:53,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:53,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:53,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:53,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:53,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:53,483 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:53,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:53,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:53,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:53,505 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:53,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:53,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:53,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:53,542 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:53,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:53,867 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:53,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:53,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 173 states and 336 transitions. [2021-11-23 00:35:53,892 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 336 transitions. [2021-11-23 00:35:53,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:53,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:53,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:53,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:53,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:53,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:54,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:54,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:54,078 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:54,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:54,206 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:54,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:54,215 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:54,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:54,536 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:54,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:54,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 174 states and 337 transitions. [2021-11-23 00:35:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 337 transitions. [2021-11-23 00:35:54,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:54,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:54,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:54,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:54,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:54,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:54,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:54,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:54,741 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:54,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:54,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:54,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:54,786 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:54,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:55,046 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:55,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:55,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:55,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:55,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 175 states and 338 transitions. [2021-11-23 00:35:55,061 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 338 transitions. [2021-11-23 00:35:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:55,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:55,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:55,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:55,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:55,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:55,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:55,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:55,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:55,207 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:55,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:35:55,589 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:35:55,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:35:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:55,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 176 states and 339 transitions. [2021-11-23 00:35:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 339 transitions. [2021-11-23 00:35:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:55,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:55,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:55,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:55,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:55,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:55,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:55,690 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:55,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:55,804 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:55,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:56,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 177 states and 340 transitions. [2021-11-23 00:35:56,076 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 340 transitions. [2021-11-23 00:35:56,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:56,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:56,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:56,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:56,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:56,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:56,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:56,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:56,212 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:56,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:56,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:56,251 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:56,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:56,490 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:56,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:56,501 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:56,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 178 states and 341 transitions. [2021-11-23 00:35:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 341 transitions. [2021-11-23 00:35:56,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:56,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:56,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:56,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:56,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:56,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:56,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:56,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:56,687 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:56,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:56,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:56,732 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:56,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:56,994 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:56,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:57,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 179 states and 342 transitions. [2021-11-23 00:35:57,007 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 342 transitions. [2021-11-23 00:35:57,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:57,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:57,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:57,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:57,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:57,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:57,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:57,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:57,179 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:57,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:57,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:57,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:57,374 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:57,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:57,476 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:57,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:57,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 180 states and 343 transitions. [2021-11-23 00:35:57,500 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 343 transitions. [2021-11-23 00:35:57,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:57,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:57,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:57,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:57,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:57,598 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:57,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:57,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:57,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:57,628 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:57,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:57,782 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:57,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:57,789 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:57,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:58,003 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:58,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:58,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:58,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 181 states and 344 transitions. [2021-11-23 00:35:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 344 transitions. [2021-11-23 00:35:58,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:58,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:58,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:58,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:35:58,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:58,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:58,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:58,117 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:35:58,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:58,238 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:35:58,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:35:58,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:58,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:58,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 182 states and 345 transitions. [2021-11-23 00:35:58,518 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 345 transitions. [2021-11-23 00:35:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:58,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:58,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:58,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:58,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:58,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:58,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:58,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:58,666 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:58,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:58,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:58,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:58,816 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:58,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:59,067 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:59,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:59,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 183 states and 346 transitions. [2021-11-23 00:35:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 346 transitions. [2021-11-23 00:35:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:59,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:59,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:59,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:35:59,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:59,145 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:35:59,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:35:59,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:59,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,165 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:35:59,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:59,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:35:59,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,317 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:35:59,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:35:59,533 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:35:59,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:35:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:59,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:59,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 184 states and 347 transitions. [2021-11-23 00:35:59,548 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 347 transitions. [2021-11-23 00:35:59,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:35:59,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:59,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:59,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:35:59,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:35:59,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:35:59,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:35:59,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:35:59,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:35:59,858 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:35:59,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:36:00,212 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:36:00,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:36:00,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:00,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:00,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 185 states and 348 transitions. [2021-11-23 00:36:00,228 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 348 transitions. [2021-11-23 00:36:00,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:00,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:00,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:00,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:00,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:00,327 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:00,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:00,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,353 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:00,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:00,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:00,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,403 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:00,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:00,620 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:00,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:00,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:00,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:00,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 186 states and 349 transitions. [2021-11-23 00:36:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 349 transitions. [2021-11-23 00:36:00,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:00,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:00,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:00,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:00,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:00,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:00,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:00,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,782 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:00,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:00,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:00,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:00,937 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:00,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:01,159 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:01,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:01,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:01,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 187 states and 350 transitions. [2021-11-23 00:36:01,175 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 350 transitions. [2021-11-23 00:36:01,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:01,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:01,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:01,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:01,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:01,246 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:01,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:01,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:01,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:01,268 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:01,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:01,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:01,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:01,306 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:01,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:01,575 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:01,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:01,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:01,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:01,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 188 states and 351 transitions. [2021-11-23 00:36:01,589 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 351 transitions. [2021-11-23 00:36:01,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:01,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:01,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:01,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:01,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:01,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:01,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:01,739 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:01,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:01,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:01,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:01,784 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:01,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:01,998 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:01,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:02,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:02,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 189 states and 352 transitions. [2021-11-23 00:36:02,014 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 352 transitions. [2021-11-23 00:36:02,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:02,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:02,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:02,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:02,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:02,105 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:02,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:02,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:02,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:02,127 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:02,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:02,155 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:02,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:02,162 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:02,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:02,388 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:02,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:02,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 190 states and 353 transitions. [2021-11-23 00:36:02,402 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 353 transitions. [2021-11-23 00:36:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:02,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:02,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:02,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:02,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:02,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:02,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:02,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:02,529 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:02,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:02,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:02,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:02,694 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:02,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:02,924 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:02,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:02,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:02,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 191 states and 354 transitions. [2021-11-23 00:36:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 354 transitions. [2021-11-23 00:36:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:02,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:02,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:02,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:02,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:02,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:03,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:03,065 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:03,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:03,210 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:03,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:03,217 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:03,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:03,431 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:03,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:03,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 192 states and 355 transitions. [2021-11-23 00:36:03,447 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 355 transitions. [2021-11-23 00:36:03,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:03,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:03,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:03,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:03,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:03,522 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:03,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:36:03,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:03,547 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:03,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:03,615 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:03,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:36:03,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:03,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 193 states and 356 transitions. [2021-11-23 00:36:03,931 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 356 transitions. [2021-11-23 00:36:03,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:03,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:03,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:03,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:03,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:03,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:04,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:04,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:04,068 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:04,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:04,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:04,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:04,220 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:04,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:04,487 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:04,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:04,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:04,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 194 states and 357 transitions. [2021-11-23 00:36:04,500 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 357 transitions. [2021-11-23 00:36:04,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:04,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:04,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:04,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:04,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:04,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:04,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:04,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:04,673 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:04,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:04,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:04,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:04,853 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:04,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:05,121 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:05,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:05,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:05,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 195 states and 358 transitions. [2021-11-23 00:36:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 358 transitions. [2021-11-23 00:36:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:05,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:05,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:05,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:05,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:05,209 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:05,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:05,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:05,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:05,232 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:05,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:05,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:05,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:05,376 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:05,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:05,619 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:05,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:05,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:05,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 196 states and 359 transitions. [2021-11-23 00:36:05,636 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 359 transitions. [2021-11-23 00:36:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:05,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:05,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:05,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:05,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:05,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:05,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:05,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:05,772 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:05,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:05,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:05,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:05,930 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:05,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:06,167 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:06,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 197 states and 360 transitions. [2021-11-23 00:36:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 360 transitions. [2021-11-23 00:36:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:06,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:06,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:06,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:06,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:06,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:06,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:06,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:06,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:06,561 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:36:06,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:36:06,972 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:36:06,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:36:06,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:06,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:06,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 198 states and 361 transitions. [2021-11-23 00:36:06,988 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 361 transitions. [2021-11-23 00:36:06,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:06,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:06,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:07,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:07,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:07,061 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:07,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:07,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:07,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:07,082 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:07,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:07,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:07,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:07,118 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:07,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:07,366 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:07,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:07,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 199 states and 362 transitions. [2021-11-23 00:36:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 362 transitions. [2021-11-23 00:36:07,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:07,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:07,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:07,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:07,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:07,461 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:07,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:36:07,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:07,486 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:07,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:07,596 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:07,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:36:07,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 200 states and 363 transitions. [2021-11-23 00:36:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 363 transitions. [2021-11-23 00:36:07,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:07,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:07,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:07,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:07,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:07,934 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:07,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:07,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:07,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:07,958 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:07,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:08,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:08,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:08,116 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:08,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:08,397 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:08,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:08,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:08,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:08,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 201 states and 364 transitions. [2021-11-23 00:36:08,423 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 364 transitions. [2021-11-23 00:36:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:08,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:08,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:08,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:08,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:08,524 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:08,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:08,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:08,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:08,548 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:08,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:08,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:08,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:08,590 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:08,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:08,842 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:08,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:08,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:08,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 202 states and 365 transitions. [2021-11-23 00:36:08,859 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 365 transitions. [2021-11-23 00:36:08,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:08,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:08,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:08,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:08,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:08,940 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:08,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:08,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:08,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:08,962 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:08,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:09,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:09,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:09,130 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:09,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:09,406 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:09,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:09,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 203 states and 366 transitions. [2021-11-23 00:36:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 366 transitions. [2021-11-23 00:36:09,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:09,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:09,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:09,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:09,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:09,492 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:09,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:09,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:09,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:09,515 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:09,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:09,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:09,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:09,681 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:09,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:09,770 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:09,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:09,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 204 states and 367 transitions. [2021-11-23 00:36:09,789 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 367 transitions. [2021-11-23 00:36:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:09,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:09,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:09,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:09,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:09,866 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:09,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:09,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:09,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:09,890 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:09,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:09,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:09,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:09,924 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:09,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:10,153 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:10,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:10,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:10,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:10,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 205 states and 368 transitions. [2021-11-23 00:36:10,171 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 368 transitions. [2021-11-23 00:36:10,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:10,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:10,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:10,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:10,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:10,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:10,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:10,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:10,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:10,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:10,497 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:36:10,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:36:10,890 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:36:10,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:36:10,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:10,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:10,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 206 states and 369 transitions. [2021-11-23 00:36:10,918 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 369 transitions. [2021-11-23 00:36:10,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:10,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:10,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:10,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:10,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:10,996 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:10,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:11,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:11,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:11,016 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:11,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:11,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:11,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:11,193 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:11,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:11,533 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:11,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:11,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 207 states and 370 transitions. [2021-11-23 00:36:11,553 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 370 transitions. [2021-11-23 00:36:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:11,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:11,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:11,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:11,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:11,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:11,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:11,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:11,693 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:11,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:11,854 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:11,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:11,861 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:11,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:11,941 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:11,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 208 states and 371 transitions. [2021-11-23 00:36:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 371 transitions. [2021-11-23 00:36:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:11,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:11,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:12,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:12,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:12,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:12,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:12,105 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:12,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:12,247 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:12,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:12,254 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:12,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:12,507 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:12,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:12,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:12,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 209 states and 372 transitions. [2021-11-23 00:36:12,522 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 372 transitions. [2021-11-23 00:36:12,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:12,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:12,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:12,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:12,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:12,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:12,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:12,614 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:12,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:12,678 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:12,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:36:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 210 states and 373 transitions. [2021-11-23 00:36:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 373 transitions. [2021-11-23 00:36:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:13,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:13,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:13,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:13,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:13,091 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:13,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:36:13,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:13,116 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:13,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:13,192 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:13,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:36:13,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:13,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 211 states and 374 transitions. [2021-11-23 00:36:13,488 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 374 transitions. [2021-11-23 00:36:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:13,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:13,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:13,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:13,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:13,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:13,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:13,652 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:13,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:13,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:13,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:13,867 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:13,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:14,140 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:14,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:14,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 212 states and 375 transitions. [2021-11-23 00:36:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 375 transitions. [2021-11-23 00:36:14,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:14,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:14,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:14,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:14,235 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:14,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:36:14,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:14,261 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:14,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:14,390 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:14,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:36:14,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:14,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:14,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 213 states and 376 transitions. [2021-11-23 00:36:14,741 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 376 transitions. [2021-11-23 00:36:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:14,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:14,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:14,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:14,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:14,822 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:14,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:14,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:14,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:14,847 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:14,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:15,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:15,014 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:15,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:15,233 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:15,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:15,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:15,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 214 states and 377 transitions. [2021-11-23 00:36:15,252 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 377 transitions. [2021-11-23 00:36:15,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:15,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:15,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:15,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:15,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:15,323 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:15,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:15,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:15,346 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:15,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:15,373 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:15,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:15,380 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:15,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:15,610 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:15,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:15,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:15,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 215 states and 378 transitions. [2021-11-23 00:36:15,625 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 378 transitions. [2021-11-23 00:36:15,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:15,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:15,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:15,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:15,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:15,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:15,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:15,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:15,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:15,991 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:36:15,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:36:16,428 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:36:16,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:36:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:16,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:16,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 216 states and 379 transitions. [2021-11-23 00:36:16,442 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 379 transitions. [2021-11-23 00:36:16,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:16,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:16,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:16,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:16,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:16,557 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:16,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:36:16,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:16,589 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:16,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:16,671 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:16,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:36:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:17,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:17,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 217 states and 380 transitions. [2021-11-23 00:36:17,007 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 380 transitions. [2021-11-23 00:36:17,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:17,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:17,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:17,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:17,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:17,084 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:17,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:17,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:17,105 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:17,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:17,246 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:17,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:17,253 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:17,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:17,487 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:17,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:17,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:17,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 218 states and 381 transitions. [2021-11-23 00:36:17,502 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 381 transitions. [2021-11-23 00:36:17,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:17,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:17,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:17,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:17,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:17,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:17,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:17,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:17,683 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:17,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:17,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:17,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:17,857 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:17,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:18,078 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:18,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:18,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 219 states and 382 transitions. [2021-11-23 00:36:18,096 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 382 transitions. [2021-11-23 00:36:18,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:18,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:18,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:18,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:18,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:18,177 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:18,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:18,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:18,205 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:18,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:18,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:18,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:18,369 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:18,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:18,618 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:18,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:18,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:18,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 220 states and 383 transitions. [2021-11-23 00:36:18,635 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 383 transitions. [2021-11-23 00:36:18,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:18,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:18,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:18,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:18,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:18,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:18,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:18,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:18,779 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:18,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:18,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:18,814 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:18,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:19,087 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:19,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:19,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 221 states and 384 transitions. [2021-11-23 00:36:19,103 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 384 transitions. [2021-11-23 00:36:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:19,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:19,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:19,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:19,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:19,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:19,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:19,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:19,289 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:19,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:19,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:19,327 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:19,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:19,587 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:19,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:19,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:19,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 222 states and 385 transitions. [2021-11-23 00:36:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 385 transitions. [2021-11-23 00:36:19,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:19,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:19,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:19,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:19,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:19,685 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:19,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:19,696 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:19,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:19,714 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:19,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:19,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:19,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:19,749 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:19,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:19,992 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:19,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:19,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 223 states and 386 transitions. [2021-11-23 00:36:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 386 transitions. [2021-11-23 00:36:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:20,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:20,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:20,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:20,102 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:20,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:20,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:20,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:20,122 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:20,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:20,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:20,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:20,296 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:20,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:20,520 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:20,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 224 states and 387 transitions. [2021-11-23 00:36:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 387 transitions. [2021-11-23 00:36:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:20,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:20,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:20,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:20,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:20,624 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:20,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:36:20,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:20,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:20,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:20,884 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:36:20,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:36:21,295 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:36:21,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:36:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:21,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 225 states and 388 transitions. [2021-11-23 00:36:21,309 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 388 transitions. [2021-11-23 00:36:21,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:21,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:21,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:21,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:21,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:21,399 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:21,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:21,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:21,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:21,419 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:21,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:21,605 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:21,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:21,612 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:21,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:21,849 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:21,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:21,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 226 states and 389 transitions. [2021-11-23 00:36:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 389 transitions. [2021-11-23 00:36:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:21,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:21,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:21,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:21,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:21,948 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:21,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:21,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:21,971 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:21,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:22,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:22,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:22,007 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:22,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:22,282 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:22,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:22,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 227 states and 390 transitions. [2021-11-23 00:36:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 390 transitions. [2021-11-23 00:36:22,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:22,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:22,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:22,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:22,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:22,384 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:22,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:22,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:22,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:22,409 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:22,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:22,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:22,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:22,582 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:22,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:22,828 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:22,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:22,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 228 states and 391 transitions. [2021-11-23 00:36:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 391 transitions. [2021-11-23 00:36:22,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:22,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:22,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:22,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:22,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:22,941 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:22,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:22,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:22,970 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:22,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:23,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:23,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:23,146 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:23,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:23,350 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:23,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:23,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 229 states and 392 transitions. [2021-11-23 00:36:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 392 transitions. [2021-11-23 00:36:23,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:23,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:23,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:23,449 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:23,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:23,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:23,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:23,472 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:23,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:23,622 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:23,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:23,629 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:23,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:23,846 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:23,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 230 states and 393 transitions. [2021-11-23 00:36:23,861 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 393 transitions. [2021-11-23 00:36:23,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:23,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:23,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:23,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:23,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:23,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:23,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:24,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:24,018 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:24,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:24,045 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:24,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:24,052 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:24,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:24,303 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:24,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:24,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 231 states and 394 transitions. [2021-11-23 00:36:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 394 transitions. [2021-11-23 00:36:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:24,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:24,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:24,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:24,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:24,405 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:24,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:24,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:24,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:24,428 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:24,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:24,589 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:24,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:24,596 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:24,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:24,903 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:24,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 232 states and 395 transitions. [2021-11-23 00:36:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 395 transitions. [2021-11-23 00:36:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:24,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:24,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:25,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:25,026 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:25,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:25,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:25,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:25,048 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:25,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:25,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:25,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:25,085 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:25,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:25,351 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:25,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:25,355 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:25,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 233 states and 396 transitions. [2021-11-23 00:36:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 396 transitions. [2021-11-23 00:36:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:25,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:25,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:25,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:25,469 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:25,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:25,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:25,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:25,490 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:25,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:25,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:25,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:25,656 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:25,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:25,897 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:25,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:25,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 234 states and 397 transitions. [2021-11-23 00:36:25,916 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 397 transitions. [2021-11-23 00:36:25,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:25,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:25,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:26,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:26,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:26,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:26,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:26,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:26,099 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:26,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:26,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:26,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:26,266 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:26,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:26,487 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:26,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:26,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:26,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 235 states and 398 transitions. [2021-11-23 00:36:26,504 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 398 transitions. [2021-11-23 00:36:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:26,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:26,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:26,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:26,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:26,593 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:26,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:26,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:26,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:26,617 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:26,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:26,787 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:26,794 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:26,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:27,087 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:27,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:27,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 236 states and 399 transitions. [2021-11-23 00:36:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 399 transitions. [2021-11-23 00:36:27,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:27,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:27,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:27,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:27,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:27,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:27,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:27,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:27,302 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:27,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:27,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:27,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:27,479 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:27,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:27,715 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:27,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:27,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 237 states and 400 transitions. [2021-11-23 00:36:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 400 transitions. [2021-11-23 00:36:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:27,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:27,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:27,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:27,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:27,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:27,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:27,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:27,918 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:27,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:27,951 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:27,958 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:27,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:28,192 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:28,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 238 states and 401 transitions. [2021-11-23 00:36:28,207 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 401 transitions. [2021-11-23 00:36:28,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:28,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:28,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:28,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:28,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:28,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:28,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:28,395 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:28,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:28,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:28,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:28,430 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:28,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:28,681 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:28,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:28,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 239 states and 402 transitions. [2021-11-23 00:36:28,695 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 402 transitions. [2021-11-23 00:36:28,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:28,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:28,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:28,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:28,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:28,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:28,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:28,855 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:28,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:28,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:28,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:28,895 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:28,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:28,979 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:28,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:28,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 240 states and 403 transitions. [2021-11-23 00:36:28,996 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 403 transitions. [2021-11-23 00:36:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:28,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:28,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:29,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:29,118 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:29,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:29,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:29,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:29,148 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:29,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:29,349 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:29,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:29,356 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:29,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:29,599 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:29,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:29,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:29,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 241 states and 404 transitions. [2021-11-23 00:36:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 404 transitions. [2021-11-23 00:36:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:29,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:29,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:29,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:29,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:29,702 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:29,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:29,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:29,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:29,724 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:29,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:29,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:29,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:29,914 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:29,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:30,141 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:30,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 242 states and 405 transitions. [2021-11-23 00:36:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 405 transitions. [2021-11-23 00:36:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:30,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:30,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:30,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:30,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:30,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:30,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:30,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:30,315 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:30,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:30,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:30,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:30,351 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:30,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:30,434 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:30,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:30,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:30,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 243 states and 406 transitions. [2021-11-23 00:36:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 406 transitions. [2021-11-23 00:36:30,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:30,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:30,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:30,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:30,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:30,532 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:30,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:30,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:30,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:30,554 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:30,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:30,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:30,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:30,722 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:30,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:30,987 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:30,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:31,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 244 states and 407 transitions. [2021-11-23 00:36:31,005 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 407 transitions. [2021-11-23 00:36:31,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:31,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:31,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:31,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:31,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:31,198 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:31,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:31,398 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:31,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:31,407 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:31,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:31,665 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:31,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 245 states and 408 transitions. [2021-11-23 00:36:31,683 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 408 transitions. [2021-11-23 00:36:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:31,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:31,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:31,755 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:31,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:31,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:31,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:31,779 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:31,779 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:31,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:31,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:31,963 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:31,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:32,228 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:32,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:32,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:32,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 246 states and 409 transitions. [2021-11-23 00:36:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 409 transitions. [2021-11-23 00:36:32,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:32,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:32,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:32,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:32,328 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:32,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:32,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:32,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:32,350 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:32,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:32,501 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:32,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:32,509 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:32,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:32,764 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:32,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:32,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 247 states and 410 transitions. [2021-11-23 00:36:32,783 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 410 transitions. [2021-11-23 00:36:32,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:32,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:32,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:32,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:32,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:32,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:32,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:32,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:32,946 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:32,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:32,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:32,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:32,984 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:32,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:33,212 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:33,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:33,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 248 states and 411 transitions. [2021-11-23 00:36:33,230 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 411 transitions. [2021-11-23 00:36:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:33,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:33,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:33,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:33,319 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:33,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:33,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:33,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:33,339 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:33,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:33,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:33,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:33,527 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:33,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:33,807 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:33,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:33,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:33,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 249 states and 412 transitions. [2021-11-23 00:36:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 412 transitions. [2021-11-23 00:36:33,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:33,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:33,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:33,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:33,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:33,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:33,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:33,992 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:33,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:34,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:34,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:34,171 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:34,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:34,398 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:34,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 250 states and 413 transitions. [2021-11-23 00:36:34,416 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 413 transitions. [2021-11-23 00:36:34,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:34,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:34,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:34,497 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:34,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:34,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:34,519 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:34,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:34,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:34,554 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:34,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:34,635 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:34,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 251 states and 414 transitions. [2021-11-23 00:36:34,650 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 414 transitions. [2021-11-23 00:36:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:34,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:34,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:34,734 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:34,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:34,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:34,753 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:34,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:34,788 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:34,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:34,795 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:34,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:35,056 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:35,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:35,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:35,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 252 states and 415 transitions. [2021-11-23 00:36:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 415 transitions. [2021-11-23 00:36:35,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:35,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:35,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:35,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:35,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:35,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:35,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:35,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:35,253 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:35,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:35,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:35,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:35,418 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:35,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:35,650 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:35,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:35,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 253 states and 416 transitions. [2021-11-23 00:36:35,669 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 416 transitions. [2021-11-23 00:36:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:35,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:35,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:35,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:35,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:35,754 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:35,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:35,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:35,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:35,776 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:35,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:35,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:35,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:35,810 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:35,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:36,085 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:36,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:36,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:36,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 254 states and 417 transitions. [2021-11-23 00:36:36,100 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 417 transitions. [2021-11-23 00:36:36,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:36,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:36,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:36,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:36,186 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:36,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:36,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:36,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:36,206 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:36,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:36,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:36,363 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:36,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:36,600 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:36,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:36,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 255 states and 418 transitions. [2021-11-23 00:36:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 418 transitions. [2021-11-23 00:36:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:36,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:36,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:36,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:36,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:36,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:36,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:36,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:36,775 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:36,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:36,937 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:36,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:36,945 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:36,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:37,315 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:37,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:37,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:37,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 256 states and 419 transitions. [2021-11-23 00:36:37,342 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 419 transitions. [2021-11-23 00:36:37,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:37,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:37,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:37,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:37,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:37,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:37,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:37,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:37,536 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:37,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:37,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:37,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:37,581 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:37,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:37,852 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:37,853 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:37,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 257 states and 420 transitions. [2021-11-23 00:36:37,868 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 420 transitions. [2021-11-23 00:36:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:37,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:37,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:37,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:37,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:37,961 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:37,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:36:37,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:37,990 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:37,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:38,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:38,370 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 00:36:38,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 50 [2021-11-23 00:36:38,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 260 states and 450 transitions. [2021-11-23 00:36:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 450 transitions. [2021-11-23 00:36:42,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:42,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:42,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:42,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:42,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:42,335 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:42,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:42,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:42,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:42,355 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:42,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:42,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:42,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:42,392 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:42,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:42,659 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:42,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:42,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:42,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 261 states and 451 transitions. [2021-11-23 00:36:42,676 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 451 transitions. [2021-11-23 00:36:42,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:42,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:42,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:42,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:42,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:42,760 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:42,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:42,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:42,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:42,782 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:42,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:42,935 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:42,942 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:42,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:43,032 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:43,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 262 states and 452 transitions. [2021-11-23 00:36:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 452 transitions. [2021-11-23 00:36:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:43,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:43,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:43,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:43,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:43,135 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:43,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:43,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:43,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:43,163 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:43,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:43,410 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:43,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:43,419 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:43,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:43,716 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:43,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 263 states and 453 transitions. [2021-11-23 00:36:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 453 transitions. [2021-11-23 00:36:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:43,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:43,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:43,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:43,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:43,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:43,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:43,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:43,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:44,132 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:36:44,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:36:44,580 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:36:44,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:36:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:44,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 264 states and 454 transitions. [2021-11-23 00:36:44,601 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 454 transitions. [2021-11-23 00:36:44,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:44,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:44,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:44,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:36:44,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:44,692 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:36:44,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:36:44,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:44,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:44,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:44,953 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:36:44,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:36:45,079 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:36:45,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:36:45,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 265 states and 455 transitions. [2021-11-23 00:36:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 455 transitions. [2021-11-23 00:36:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:45,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:45,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:45,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:45,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:45,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:45,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:45,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:45,276 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:45,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:45,457 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:45,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:45,464 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:45,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:45,721 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:45,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 266 states and 456 transitions. [2021-11-23 00:36:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 456 transitions. [2021-11-23 00:36:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:45,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:45,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:45,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:45,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:45,835 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:45,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:45,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:45,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:45,860 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:45,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:46,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:46,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:46,073 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:46,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:46,368 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:46,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 267 states and 457 transitions. [2021-11-23 00:36:46,389 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 457 transitions. [2021-11-23 00:36:46,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:46,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:46,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:46,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:46,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:46,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:46,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:46,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:46,541 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:46,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:46,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:46,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:46,735 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:46,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:47,027 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:47,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:47,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 268 states and 458 transitions. [2021-11-23 00:36:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 458 transitions. [2021-11-23 00:36:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:47,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:47,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:47,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:47,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:47,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:47,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:47,143 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:47,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:47,268 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:47,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:36:47,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:47,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 269 states and 459 transitions. [2021-11-23 00:36:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 459 transitions. [2021-11-23 00:36:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:47,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:47,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:47,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:47,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:47,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:47,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:47,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:47,816 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:47,816 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:48,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:48,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:48,028 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:48,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:48,289 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:48,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:48,293 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:48,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 270 states and 460 transitions. [2021-11-23 00:36:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 460 transitions. [2021-11-23 00:36:48,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:48,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:48,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:48,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:48,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:48,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:48,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:48,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:48,511 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:48,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:48,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:48,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:48,726 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:48,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:49,035 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:49,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:49,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 271 states and 461 transitions. [2021-11-23 00:36:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 461 transitions. [2021-11-23 00:36:49,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:49,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:49,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:49,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:49,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:49,146 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:49,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:49,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:49,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:49,168 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:49,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:49,198 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:49,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:49,204 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:49,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:49,495 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:49,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:49,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:49,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 272 states and 462 transitions. [2021-11-23 00:36:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 462 transitions. [2021-11-23 00:36:49,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:49,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:49,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:49,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:49,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:49,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:49,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:49,673 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:49,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:49,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:49,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:49,874 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:49,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:49,964 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:49,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:49,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 273 states and 463 transitions. [2021-11-23 00:36:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 463 transitions. [2021-11-23 00:36:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:49,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:49,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:50,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:50,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:50,071 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:50,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:50,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:50,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:50,091 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:50,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:50,250 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:50,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:50,257 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:50,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:50,552 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:50,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:50,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 274 states and 464 transitions. [2021-11-23 00:36:50,570 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 464 transitions. [2021-11-23 00:36:50,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:50,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:50,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:50,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:50,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:50,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:50,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:50,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:50,719 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:50,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:50,916 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:50,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:50,926 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:50,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:51,258 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:51,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 275 states and 465 transitions. [2021-11-23 00:36:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 465 transitions. [2021-11-23 00:36:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:51,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:51,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:51,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:51,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:51,382 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:51,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:51,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:51,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:51,409 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:51,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:51,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:51,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:51,448 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:51,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:51,541 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:51,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:51,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:51,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 276 states and 466 transitions. [2021-11-23 00:36:51,559 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 466 transitions. [2021-11-23 00:36:51,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:51,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:51,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:51,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:51,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:51,643 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:51,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:51,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:51,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:51,665 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:51,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:51,691 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:51,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:51,698 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:51,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:52,003 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:52,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:52,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:52,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 277 states and 467 transitions. [2021-11-23 00:36:52,019 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 467 transitions. [2021-11-23 00:36:52,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:52,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:52,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:52,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:52,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:52,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:52,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:52,124 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:52,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:52,308 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:52,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:36:52,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:52,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 278 states and 468 transitions. [2021-11-23 00:36:52,655 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 468 transitions. [2021-11-23 00:36:52,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:52,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:52,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:52,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:52,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:52,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:52,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:52,804 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:52,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:52,833 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:52,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:52,840 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:52,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:53,128 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:53,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:53,132 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:53,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:53,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 279 states and 469 transitions. [2021-11-23 00:36:53,148 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 469 transitions. [2021-11-23 00:36:53,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:53,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:53,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:53,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:53,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:53,277 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:53,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:53,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:53,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:53,306 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:53,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:53,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:53,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:53,351 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:53,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:53,456 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:53,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 280 states and 470 transitions. [2021-11-23 00:36:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 470 transitions. [2021-11-23 00:36:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:53,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:53,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:53,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:53,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:53,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:53,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:53,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:53,653 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:53,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:53,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:53,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:53,836 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:53,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:53,917 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:53,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:53,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:53,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 281 states and 471 transitions. [2021-11-23 00:36:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 471 transitions. [2021-11-23 00:36:53,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:53,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:53,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:53,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:53,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:54,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:54,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:54,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:54,082 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:54,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:54,257 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:54,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:54,264 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:54,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:54,566 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:54,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:54,570 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:54,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 282 states and 472 transitions. [2021-11-23 00:36:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 472 transitions. [2021-11-23 00:36:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:54,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:54,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:54,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:54,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:54,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:54,683 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:54,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:54,754 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:54,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:54,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:54,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:54,798 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:54,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:55,088 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:55,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:55,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:55,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 283 states and 473 transitions. [2021-11-23 00:36:55,112 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 473 transitions. [2021-11-23 00:36:55,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:55,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:55,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:55,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:36:55,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:55,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:55,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:55,221 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:36:55,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:55,363 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:36:55,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:36:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:55,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:55,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 284 states and 474 transitions. [2021-11-23 00:36:55,696 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 474 transitions. [2021-11-23 00:36:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:55,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:55,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:55,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:55,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:55,785 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:55,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:55,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:55,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:55,805 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:55,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:56,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:56,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:56,034 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:56,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:56,339 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:56,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:56,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 285 states and 475 transitions. [2021-11-23 00:36:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 475 transitions. [2021-11-23 00:36:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:56,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:56,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:56,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:56,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:56,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:56,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:56,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:56,520 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:56,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:56,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:56,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:56,726 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:56,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:57,024 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:57,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:57,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:57,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:57,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 286 states and 476 transitions. [2021-11-23 00:36:57,043 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 476 transitions. [2021-11-23 00:36:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:57,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:57,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:57,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:57,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:57,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:57,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:57,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:57,211 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:57,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:57,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:57,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:57,395 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:57,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:57,699 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:57,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:57,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:57,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 287 states and 477 transitions. [2021-11-23 00:36:57,719 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 477 transitions. [2021-11-23 00:36:57,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:57,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:57,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:57,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:57,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:57,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:57,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:57,879 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:57,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:58,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:58,067 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:58,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:58,349 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:58,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:58,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:58,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:58,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 288 states and 478 transitions. [2021-11-23 00:36:58,370 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 478 transitions. [2021-11-23 00:36:58,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:58,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:58,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:58,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:58,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:58,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:58,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:58,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:58,538 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:58,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:58,723 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:58,730 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:58,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:58,998 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:58,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:59,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 289 states and 479 transitions. [2021-11-23 00:36:59,017 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 479 transitions. [2021-11-23 00:36:59,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:59,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:59,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:59,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:59,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:59,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:59,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:36:59,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:59,184 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:59,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:59,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:59,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:59,393 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:59,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:36:59,662 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:36:59,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:36:59,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 290 states and 480 transitions. [2021-11-23 00:36:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 480 transitions. [2021-11-23 00:36:59,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:36:59,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:59,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:59,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:36:59,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:36:59,780 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:36:59,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:36:59,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:36:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:59,803 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:36:59,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:36:59,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:36:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:36:59,841 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:36:59,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:00,166 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:00,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:00,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:00,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 291 states and 481 transitions. [2021-11-23 00:37:00,183 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 481 transitions. [2021-11-23 00:37:00,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:00,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:00,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:00,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:00,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:00,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:00,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:00,342 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:00,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:00,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:00,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:00,518 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:00,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:00,766 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:00,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:00,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:00,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 292 states and 482 transitions. [2021-11-23 00:37:00,785 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 482 transitions. [2021-11-23 00:37:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:00,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:00,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:00,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:00,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:00,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:00,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:00,893 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:00,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:00,961 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:00,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:37:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:01,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 293 states and 483 transitions. [2021-11-23 00:37:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 483 transitions. [2021-11-23 00:37:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:01,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:01,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:01,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:01,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:01,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:01,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:01,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:01,467 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:01,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:01,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:01,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:01,693 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:01,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:01,779 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:01,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:01,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:01,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 294 states and 484 transitions. [2021-11-23 00:37:01,797 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 484 transitions. [2021-11-23 00:37:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:01,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:01,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:01,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:01,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:01,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:01,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:01,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:01,973 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:01,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:02,170 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:02,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:02,177 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:02,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:02,410 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:02,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:02,414 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:02,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 295 states and 485 transitions. [2021-11-23 00:37:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 485 transitions. [2021-11-23 00:37:02,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:02,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:02,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:02,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:02,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:02,522 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:02,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:37:02,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:02,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:02,548 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:02,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:02,577 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:02,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:02,584 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:02,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:02,855 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:02,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:02,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 296 states and 486 transitions. [2021-11-23 00:37:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 486 transitions. [2021-11-23 00:37:02,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:02,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:02,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:02,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:02,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:02,971 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:37:02,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:37:02,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:02,996 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:02,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:03,070 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:03,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:37:03,289 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:03,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:03,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 297 states and 487 transitions. [2021-11-23 00:37:03,305 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 487 transitions. [2021-11-23 00:37:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:03,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:03,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:03,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:03,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:03,394 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:03,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:37:03,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:03,415 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:03,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:03,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:03,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:03,592 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:03,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:03,691 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:03,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:03,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 298 states and 488 transitions. [2021-11-23 00:37:03,707 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 488 transitions. [2021-11-23 00:37:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:03,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:03,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:03,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:03,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:03,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:03,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:03,805 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:03,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:03,949 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:03,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:37:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:04,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 299 states and 489 transitions. [2021-11-23 00:37:04,337 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 489 transitions. [2021-11-23 00:37:04,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:04,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:04,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:04,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:37:04,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:04,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:04,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:04,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:04,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:04,767 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:37:04,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:37:05,235 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:37:05,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:37:05,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:05,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:05,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 300 states and 490 transitions. [2021-11-23 00:37:05,250 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 490 transitions. [2021-11-23 00:37:05,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:05,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:05,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:05,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:05,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:05,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:05,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:05,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:05,437 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:05,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:05,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:05,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:05,664 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:05,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:05,932 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:05,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:05,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:05,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 301 states and 491 transitions. [2021-11-23 00:37:05,957 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 491 transitions. [2021-11-23 00:37:05,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:05,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:05,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:06,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:06,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:06,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:06,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:06,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:06,137 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:06,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:06,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:06,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:06,328 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:06,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:06,610 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:06,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:06,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 302 states and 492 transitions. [2021-11-23 00:37:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 492 transitions. [2021-11-23 00:37:06,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:06,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:06,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:06,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:06,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:06,753 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:37:06,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:37:06,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:06,782 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:06,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:07,013 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:07,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:37:07,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 303 states and 493 transitions. [2021-11-23 00:37:07,457 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 493 transitions. [2021-11-23 00:37:07,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:07,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:07,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:07,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:07,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:07,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:07,562 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:07,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:37:07,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:07,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:07,583 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:07,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:07,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:07,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:07,625 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:07,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:07,918 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:07,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:07,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:07,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 304 states and 494 transitions. [2021-11-23 00:37:07,937 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 494 transitions. [2021-11-23 00:37:07,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:07,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:07,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:08,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:08,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:08,028 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:08,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:37:08,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:08,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:08,049 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:08,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:08,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:08,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:08,244 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:08,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:08,498 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:08,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:08,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 305 states and 495 transitions. [2021-11-23 00:37:08,515 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 495 transitions. [2021-11-23 00:37:08,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:08,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:08,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:08,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:08,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:08,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:08,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:08,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:08,684 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:08,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:08,717 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:08,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:08,724 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:08,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:09,014 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:09,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:09,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 306 states and 496 transitions. [2021-11-23 00:37:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 496 transitions. [2021-11-23 00:37:09,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:09,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:09,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:09,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:09,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:09,131 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:09,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:37:09,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:09,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:09,152 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:09,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:09,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:09,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:09,195 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:09,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:09,562 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:09,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:09,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:09,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:09,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 307 states and 497 transitions. [2021-11-23 00:37:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 497 transitions. [2021-11-23 00:37:09,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:09,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:09,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:09,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:09,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:09,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:09,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:09,715 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:09,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:09,907 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:09,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:37:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 308 states and 498 transitions. [2021-11-23 00:37:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 498 transitions. [2021-11-23 00:37:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:10,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:10,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:10,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:10,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:10,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:10,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:10,441 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:10,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:10,542 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:10,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:37:10,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:10,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:10,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 309 states and 499 transitions. [2021-11-23 00:37:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 499 transitions. [2021-11-23 00:37:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:10,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:10,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:11,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:11,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:11,055 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:11,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:11,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:11,141 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:11,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:11,172 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:11,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:11,179 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:11,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:11,541 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:11,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:11,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 310 states and 500 transitions. [2021-11-23 00:37:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 500 transitions. [2021-11-23 00:37:11,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:11,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:11,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:11,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:11,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:11,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:11,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:11,689 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:11,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:11,899 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:11,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:37:12,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:12,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:12,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 311 states and 501 transitions. [2021-11-23 00:37:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 501 transitions. [2021-11-23 00:37:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:12,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:12,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:12,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:12,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:12,429 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:12,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:37:12,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:12,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:12,449 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:12,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:12,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:12,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:12,705 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:12,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:13,027 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:13,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:13,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:13,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 312 states and 502 transitions. [2021-11-23 00:37:13,045 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 502 transitions. [2021-11-23 00:37:13,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:13,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:13,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:13,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:13,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:13,148 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:13,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:37:13,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:13,170 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:13,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:13,200 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:13,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:13,208 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:13,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:13,508 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:13,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:13,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:13,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 313 states and 503 transitions. [2021-11-23 00:37:13,527 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 503 transitions. [2021-11-23 00:37:13,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:13,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:13,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:13,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:13,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:13,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:13,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:13,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:13,751 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:13,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:13,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:13,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:13,986 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:13,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:14,243 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:14,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:14,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:14,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 314 states and 504 transitions. [2021-11-23 00:37:14,260 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 504 transitions. [2021-11-23 00:37:14,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:14,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:14,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:14,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:14,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:14,351 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:14,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:37:14,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:14,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:14,373 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:14,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:14,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:14,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:14,592 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:14,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:14,899 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:14,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:14,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 315 states and 505 transitions. [2021-11-23 00:37:14,917 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 505 transitions. [2021-11-23 00:37:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:14,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:14,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:15,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:15,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:15,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:15,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:15,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:15,105 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:15,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:15,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:15,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:15,363 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:15,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:15,661 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:15,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:15,665 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:15,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 316 states and 506 transitions. [2021-11-23 00:37:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 506 transitions. [2021-11-23 00:37:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:15,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:15,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:15,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:15,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:15,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:15,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:15,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:37:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:15,878 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:15,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:16,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:16,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:16,111 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:16,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:16,484 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:16,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:37:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:16,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 317 states and 507 transitions. [2021-11-23 00:37:16,504 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 507 transitions. [2021-11-23 00:37:16,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:16,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:16,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:16,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:37:16,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:16,609 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:37:16,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:37:16,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:16,636 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:37:16,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:16,745 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:37:16,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:37:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:17,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 318 states and 508 transitions. [2021-11-23 00:37:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 508 transitions. [2021-11-23 00:37:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:37:17,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:17,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:17,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:37:17,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:37:17,245 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:37:17,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:37:17,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:37:17,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:17,267 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:37:17,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:37:17,480 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:37:17,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:37:17,487 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:37:17,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:37:17,575 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:37:17,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2021-11-23 00:41:00,981 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:41:00,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:41:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:01,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:01,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 604 states and 794 transitions. [2021-11-23 00:41:01,557 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 794 transitions. [2021-11-23 00:41:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:01,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:01,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:01,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:01,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:01,678 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:01,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:01,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:01,701 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:01,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:01,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:01,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:01,966 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:01,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:02,416 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:02,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:02,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:02,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 605 states and 795 transitions. [2021-11-23 00:41:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 795 transitions. [2021-11-23 00:41:02,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:02,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:02,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:02,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:41:02,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:02,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:02,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:02,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:02,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:02,944 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:41:02,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:41:03,752 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:41:03,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:41:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 606 states and 796 transitions. [2021-11-23 00:41:03,792 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 796 transitions. [2021-11-23 00:41:03,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:03,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:03,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:03,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:03,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:03,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:03,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:04,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:04,052 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:04,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:04,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:04,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:04,097 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:04,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:04,498 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:04,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:04,502 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:04,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:04,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 607 states and 797 transitions. [2021-11-23 00:41:04,516 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 797 transitions. [2021-11-23 00:41:04,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:04,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:04,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:04,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:04,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:04,643 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:04,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:04,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:04,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:04,664 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:04,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:04,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:04,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:04,950 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:04,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:05,361 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:05,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:05,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 608 states and 798 transitions. [2021-11-23 00:41:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 798 transitions. [2021-11-23 00:41:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:05,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:05,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:05,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:05,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:05,535 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:05,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:05,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:05,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:05,555 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:05,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:05,824 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:05,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:05,831 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:05,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:06,169 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:06,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:06,173 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 609 states and 799 transitions. [2021-11-23 00:41:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 799 transitions. [2021-11-23 00:41:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:06,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:06,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:06,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:06,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:06,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:06,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:06,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:06,428 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:06,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:06,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:06,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:06,706 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:06,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:07,035 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:07,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:07,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:07,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 610 states and 800 transitions. [2021-11-23 00:41:07,052 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 800 transitions. [2021-11-23 00:41:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:07,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:07,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:07,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:07,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:07,214 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:07,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:07,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:07,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:07,236 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:07,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:07,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:07,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:07,505 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:07,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:07,926 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:07,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 611 states and 801 transitions. [2021-11-23 00:41:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 801 transitions. [2021-11-23 00:41:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:07,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:07,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:08,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:08,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:08,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:08,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:08,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:08,182 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:08,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:08,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:08,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:08,488 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:08,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:08,912 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:08,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:08,916 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:08,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 612 states and 802 transitions. [2021-11-23 00:41:08,930 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 802 transitions. [2021-11-23 00:41:08,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:08,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:08,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:09,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:09,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:09,062 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:09,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:09,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:09,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:09,082 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:09,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:09,454 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:09,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:09,462 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:09,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:09,992 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:09,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:09,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:10,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:10,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 613 states and 803 transitions. [2021-11-23 00:41:10,016 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 803 transitions. [2021-11-23 00:41:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:10,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:10,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:10,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:10,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:10,221 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:10,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:10,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:10,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:10,243 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:10,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:10,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:10,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:10,285 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:10,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:10,819 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:10,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:10,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 614 states and 804 transitions. [2021-11-23 00:41:10,843 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 804 transitions. [2021-11-23 00:41:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:10,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:10,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:11,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:11,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:11,030 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:11,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:11,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:11,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:11,059 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:11,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:11,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:11,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:11,475 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:11,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:12,016 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:12,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:12,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:12,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:12,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 615 states and 805 transitions. [2021-11-23 00:41:12,040 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 805 transitions. [2021-11-23 00:41:12,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:12,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:12,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:12,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:41:12,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:12,287 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:41:12,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:41:12,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:12,314 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:12,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:12,718 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:41:12,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:41:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:13,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:13,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 616 states and 806 transitions. [2021-11-23 00:41:13,470 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 806 transitions. [2021-11-23 00:41:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:13,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:13,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:13,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:13,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:13,680 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:13,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:13,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:13,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:13,705 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:13,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:14,135 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:14,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:14,142 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:14,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:14,680 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:14,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:14,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:14,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 617 states and 807 transitions. [2021-11-23 00:41:14,705 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 807 transitions. [2021-11-23 00:41:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:14,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:14,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:14,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:41:14,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:14,879 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:41:14,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:41:14,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:14,907 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:14,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:15,067 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:41:15,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:41:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:15,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:15,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 618 states and 808 transitions. [2021-11-23 00:41:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 808 transitions. [2021-11-23 00:41:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:15,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:15,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:16,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:41:16,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:16,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:16,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:16,085 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:16,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:16,275 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:41:16,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:41:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:17,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:17,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 619 states and 809 transitions. [2021-11-23 00:41:17,120 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 809 transitions. [2021-11-23 00:41:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:17,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:17,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:17,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:17,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:17,340 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:17,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:17,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:17,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:17,365 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:17,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:17,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:17,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:17,408 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:17,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:17,966 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:17,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 620 states and 810 transitions. [2021-11-23 00:41:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 810 transitions. [2021-11-23 00:41:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:17,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:17,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:18,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:18,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:18,159 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:18,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:18,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:18,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:18,183 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:18,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:18,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:18,587 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:18,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:19,008 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:19,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:19,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:19,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 621 states and 811 transitions. [2021-11-23 00:41:19,036 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 811 transitions. [2021-11-23 00:41:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:19,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:19,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:19,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:41:19,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:19,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:19,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:19,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:19,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:19,825 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:41:19,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:41:20,991 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:41:20,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:41:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:21,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 812 states to 622 states and 812 transitions. [2021-11-23 00:41:21,025 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 812 transitions. [2021-11-23 00:41:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:21,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:21,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:21,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:21,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:21,229 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:21,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:21,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:21,252 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:21,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:21,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:21,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:21,724 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:21,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:22,291 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:22,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 623 states and 813 transitions. [2021-11-23 00:41:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 813 transitions. [2021-11-23 00:41:22,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:22,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:22,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:22,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:22,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:22,520 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:22,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:22,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:22,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:22,547 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:22,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:22,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:22,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:22,587 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:22,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:23,176 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:23,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:23,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 624 states and 814 transitions. [2021-11-23 00:41:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 814 transitions. [2021-11-23 00:41:23,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:23,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:23,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:23,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:23,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:23,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:23,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:23,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:23,529 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:23,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:23,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:23,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:23,971 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:23,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:24,475 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:24,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:24,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:24,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 625 states and 815 transitions. [2021-11-23 00:41:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 815 transitions. [2021-11-23 00:41:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:24,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:24,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:24,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:24,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:24,718 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:24,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:24,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:24,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:24,742 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:24,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:24,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:24,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:24,785 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:24,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:25,355 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:25,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:25,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 626 states and 816 transitions. [2021-11-23 00:41:25,384 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 816 transitions. [2021-11-23 00:41:25,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:25,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:25,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:25,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:25,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:25,572 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:25,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:25,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:25,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:25,595 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:25,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:25,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:25,988 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:25,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:26,494 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:26,494 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:26,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 627 states and 817 transitions. [2021-11-23 00:41:26,518 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 817 transitions. [2021-11-23 00:41:26,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:26,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:26,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:26,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:26,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:26,704 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:26,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:26,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:26,726 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:26,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:26,760 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:26,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:26,768 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:26,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:26,860 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:26,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:26,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:26,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 628 states and 818 transitions. [2021-11-23 00:41:26,887 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 818 transitions. [2021-11-23 00:41:26,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:26,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:26,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:27,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:27,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:27,072 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:27,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:27,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:27,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:27,093 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:27,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:27,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:27,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:27,469 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:27,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:28,021 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:28,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:28,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:28,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 629 states and 819 transitions. [2021-11-23 00:41:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 819 transitions. [2021-11-23 00:41:28,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:28,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:28,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:28,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:28,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:28,223 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:28,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:28,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:28,248 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:28,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:28,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:28,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:28,681 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:28,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:29,177 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:29,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 630 states and 820 transitions. [2021-11-23 00:41:29,204 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 820 transitions. [2021-11-23 00:41:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:29,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:29,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:29,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:41:29,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:29,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:29,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:29,425 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:29,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:29,808 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:41:29,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:41:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:30,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:30,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 631 states and 821 transitions. [2021-11-23 00:41:30,590 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 821 transitions. [2021-11-23 00:41:30,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:30,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:30,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:30,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:30,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:30,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:30,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:30,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:30,942 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:30,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:31,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:31,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:31,359 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:31,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:31,881 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:31,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 632 states and 822 transitions. [2021-11-23 00:41:31,915 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 822 transitions. [2021-11-23 00:41:31,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:31,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:31,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:32,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:32,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:32,124 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:32,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:32,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:32,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:32,146 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:32,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:32,514 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:32,521 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:32,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:33,039 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:33,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 633 states and 823 transitions. [2021-11-23 00:41:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 823 transitions. [2021-11-23 00:41:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:33,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:33,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:33,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:33,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:33,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:33,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:33,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:33,414 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:33,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:33,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:33,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:33,797 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:33,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:34,415 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:34,415 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:34,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:34,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 634 states and 824 transitions. [2021-11-23 00:41:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 824 transitions. [2021-11-23 00:41:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:34,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:34,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:34,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:34,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:34,634 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:34,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:34,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:34,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:34,656 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:34,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:35,067 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:35,075 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:35,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:35,617 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:35,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:35,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 635 states and 825 transitions. [2021-11-23 00:41:35,638 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 825 transitions. [2021-11-23 00:41:35,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:35,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:35,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:35,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:35,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:35,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:35,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:35,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:35,978 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:35,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:36,372 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:36,379 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:36,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:37,001 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:37,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:37,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 636 states and 826 transitions. [2021-11-23 00:41:37,027 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 826 transitions. [2021-11-23 00:41:37,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:37,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:37,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:37,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:37,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:37,227 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:37,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:37,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:37,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:37,251 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:37,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:37,285 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:37,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:37,293 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:37,293 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:37,799 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:37,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:37,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:37,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 637 states and 827 transitions. [2021-11-23 00:41:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 827 transitions. [2021-11-23 00:41:37,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:37,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:37,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:38,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:38,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:38,019 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:38,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:38,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:38,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:38,042 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:38,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:38,435 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:38,443 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:38,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:38,915 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:38,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:38,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 638 states and 828 transitions. [2021-11-23 00:41:38,947 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 828 transitions. [2021-11-23 00:41:38,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:38,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:38,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:39,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:39,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:39,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:39,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:39,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:39,290 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:39,290 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:39,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:39,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:39,685 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:39,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:40,123 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:40,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:40,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:40,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 639 states and 829 transitions. [2021-11-23 00:41:40,151 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 829 transitions. [2021-11-23 00:41:40,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:40,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:40,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:40,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:40,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:40,393 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:40,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:40,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:40,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:40,418 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:40,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:40,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:40,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:40,462 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:40,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:41,097 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:41,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:41,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 640 states and 830 transitions. [2021-11-23 00:41:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 830 transitions. [2021-11-23 00:41:41,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:41,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:41,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:41,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:41,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:41,317 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:41,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:41,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:41,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:41,343 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:41,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:41,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:41,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:41,729 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:41,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:42,214 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:42,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:42,218 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:42,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:42,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 641 states and 831 transitions. [2021-11-23 00:41:42,239 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 831 transitions. [2021-11-23 00:41:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:42,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:42,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:42,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:42,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:42,433 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:42,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:42,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:42,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:42,455 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:42,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:42,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:42,881 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:42,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:43,416 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:43,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:43,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:43,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:43,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 642 states and 832 transitions. [2021-11-23 00:41:43,442 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 832 transitions. [2021-11-23 00:41:43,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:43,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:43,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:43,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:43,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:43,635 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:43,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:43,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:43,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:43,659 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:43,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:44,084 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:44,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:44,092 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:44,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:44,570 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:44,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:44,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:44,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 643 states and 833 transitions. [2021-11-23 00:41:44,593 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 833 transitions. [2021-11-23 00:41:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:44,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:44,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:44,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:44,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:44,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:44,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:44,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:44,943 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:44,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:44,979 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:44,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:44,986 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:44,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:45,554 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:45,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:45,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:45,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:45,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 644 states and 834 transitions. [2021-11-23 00:41:45,581 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 834 transitions. [2021-11-23 00:41:45,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:45,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:45,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:45,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:45,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:45,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:45,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:45,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:45,908 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:45,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:46,356 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:46,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:46,364 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:46,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:47,032 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:47,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 645 states and 835 transitions. [2021-11-23 00:41:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 835 transitions. [2021-11-23 00:41:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:47,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:47,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:47,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:47,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:47,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:47,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:47,395 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:47,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:47,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:47,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:47,852 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:47,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:48,516 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:48,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:48,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:48,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 646 states and 836 transitions. [2021-11-23 00:41:48,562 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 836 transitions. [2021-11-23 00:41:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:48,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:48,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:48,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:48,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:48,808 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:48,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:48,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:48,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:48,834 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:48,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:48,875 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:48,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:48,884 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:48,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:49,597 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:49,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:49,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:49,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 647 states and 837 transitions. [2021-11-23 00:41:49,632 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 837 transitions. [2021-11-23 00:41:49,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:49,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:49,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:49,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:49,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:49,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:49,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:50,053 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:50,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:50,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:50,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:50,105 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:50,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:50,798 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:50,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:50,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:50,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 648 states and 838 transitions. [2021-11-23 00:41:50,834 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 838 transitions. [2021-11-23 00:41:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:50,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:50,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:51,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:51,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:51,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:51,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:51,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:51,261 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:51,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:51,767 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:51,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:51,776 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:51,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:52,269 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:52,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:52,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 649 states and 839 transitions. [2021-11-23 00:41:52,302 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 839 transitions. [2021-11-23 00:41:52,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:52,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:52,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:52,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:52,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:52,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:52,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:52,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:52,715 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:52,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:52,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:52,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:52,767 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:52,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:52,884 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:52,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:52,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:52,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:52,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 650 states and 840 transitions. [2021-11-23 00:41:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 840 transitions. [2021-11-23 00:41:52,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:52,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:52,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:53,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:41:53,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:53,156 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:41:53,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:41:53,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:53,195 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:53,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:53,426 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:41:53,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:41:54,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:54,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 651 states and 841 transitions. [2021-11-23 00:41:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 841 transitions. [2021-11-23 00:41:54,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:54,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:54,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:54,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:41:54,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:54,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:54,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:54,717 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:41:54,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:54,945 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:41:54,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:41:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:55,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:55,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 652 states and 842 transitions. [2021-11-23 00:41:55,810 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 842 transitions. [2021-11-23 00:41:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:55,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:55,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:55,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:55,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:55,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:55,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:41:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:56,139 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:56,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:56,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:56,602 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:56,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:56,711 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:56,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:56,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:56,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 653 states and 843 transitions. [2021-11-23 00:41:56,743 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 843 transitions. [2021-11-23 00:41:56,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:56,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:56,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:56,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:56,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:56,953 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:56,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:56,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:56,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:56,981 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:56,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:57,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:57,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:57,447 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:57,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:57,999 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:58,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:58,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:58,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 654 states and 844 transitions. [2021-11-23 00:41:58,025 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 844 transitions. [2021-11-23 00:41:58,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:58,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:58,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:58,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:58,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:58,253 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:58,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:58,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:58,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:58,281 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:58,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:58,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:58,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:58,334 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:58,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:41:58,828 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:41:58,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:41:58,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:41:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:58,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 655 states and 845 transitions. [2021-11-23 00:41:58,854 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 845 transitions. [2021-11-23 00:41:58,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:58,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:58,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:59,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:41:59,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:59,093 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:41:59,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:41:59,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:41:59,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:59,131 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:41:59,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:41:59,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:41:59,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:41:59,560 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:41:59,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:00,193 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:00,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 656 states and 846 transitions. [2021-11-23 00:42:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 846 transitions. [2021-11-23 00:42:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:00,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:00,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:00,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:00,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:00,447 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:42:00,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:42:00,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:00,483 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:00,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:00,708 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:42:00,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:42:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:01,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:01,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 657 states and 847 transitions. [2021-11-23 00:42:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 847 transitions. [2021-11-23 00:42:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:01,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:01,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:01,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:01,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:01,907 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:01,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:01,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:01,934 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:01,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:01,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:01,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:01,986 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:01,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:02,671 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:02,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:02,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:02,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 658 states and 848 transitions. [2021-11-23 00:42:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 848 transitions. [2021-11-23 00:42:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:02,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:02,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:02,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:42:02,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:02,905 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:42:02,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:42:02,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:02,940 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:02,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:04,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:04,309 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 00:42:04,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 50 [2021-11-23 00:42:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 659 states and 849 transitions. [2021-11-23 00:42:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 849 transitions. [2021-11-23 00:42:06,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:06,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:06,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:06,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:06,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:06,287 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:06,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:06,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:06,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:06,316 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:06,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:06,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:06,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:06,725 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:06,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:07,338 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:07,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 660 states and 850 transitions. [2021-11-23 00:42:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 850 transitions. [2021-11-23 00:42:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:07,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:07,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:07,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:42:07,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:07,586 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:42:07,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:42:07,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:07,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:07,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:08,176 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:42:08,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:42:09,311 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:42:09,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:42:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:09,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 661 states and 851 transitions. [2021-11-23 00:42:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 851 transitions. [2021-11-23 00:42:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:09,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:09,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:09,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:09,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:09,616 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:42:09,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:42:09,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:09,651 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:09,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:10,073 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:42:10,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:42:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:10,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 662 states and 852 transitions. [2021-11-23 00:42:10,928 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 852 transitions. [2021-11-23 00:42:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:10,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:10,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:11,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:42:11,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:11,154 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:42:11,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:42:11,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:11,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:11,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:11,882 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:42:11,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:42:12,173 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:42:12,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:42:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:12,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:12,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 663 states and 853 transitions. [2021-11-23 00:42:12,208 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 853 transitions. [2021-11-23 00:42:12,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:12,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:12,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:12,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:12,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:12,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:12,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:12,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:12,612 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:12,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:13,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:13,046 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:13,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:13,706 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:13,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:13,711 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:13,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 664 states and 854 transitions. [2021-11-23 00:42:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 854 transitions. [2021-11-23 00:42:13,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:13,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:13,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:13,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:13,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:14,000 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:42:14,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:42:14,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:14,033 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:14,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:14,444 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:42:14,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:42:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 665 states and 855 transitions. [2021-11-23 00:42:15,348 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 855 transitions. [2021-11-23 00:42:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:15,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:15,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:15,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:15,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:15,598 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:15,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:15,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:15,624 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:15,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:15,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:15,676 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:15,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:16,338 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:16,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:16,342 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 666 states and 856 transitions. [2021-11-23 00:42:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 856 transitions. [2021-11-23 00:42:16,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:16,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:16,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:16,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:16,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:16,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:16,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:16,570 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:16,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:16,721 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:42:16,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:42:17,564 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 667 states and 857 transitions. [2021-11-23 00:42:17,596 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 857 transitions. [2021-11-23 00:42:17,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:17,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:17,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:17,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:17,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:17,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:17,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:17,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:17,935 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:17,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:18,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:18,401 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:18,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:19,039 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:19,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:19,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 668 states and 858 transitions. [2021-11-23 00:42:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 858 transitions. [2021-11-23 00:42:19,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:19,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:19,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:19,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:19,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:19,314 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:42:19,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:42:19,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:19,349 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:19,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:19,802 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:42:19,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:42:20,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 669 states and 859 transitions. [2021-11-23 00:42:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 859 transitions. [2021-11-23 00:42:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:20,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:20,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:21,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:21,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:21,023 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:21,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:21,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:21,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:21,048 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:21,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:21,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:21,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:21,100 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:21,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:21,684 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:21,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:21,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 670 states and 860 transitions. [2021-11-23 00:42:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 860 transitions. [2021-11-23 00:42:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:21,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:21,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:21,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:21,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:21,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:21,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:22,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:22,140 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:22,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:22,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:22,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:22,587 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:22,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:23,195 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:23,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 671 states and 861 transitions. [2021-11-23 00:42:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 861 transitions. [2021-11-23 00:42:23,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:23,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:23,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:23,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:23,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:23,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:23,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:23,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:23,626 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:23,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:24,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:24,097 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:24,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:24,692 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:24,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:24,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:24,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 672 states and 862 transitions. [2021-11-23 00:42:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 862 transitions. [2021-11-23 00:42:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:24,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:24,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:24,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:24,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:24,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:24,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:25,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:25,074 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:25,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:25,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:25,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:25,130 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:25,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:25,676 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:25,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:25,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:25,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 673 states and 863 transitions. [2021-11-23 00:42:25,714 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 863 transitions. [2021-11-23 00:42:25,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:25,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:25,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:25,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:25,914 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:25,933 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:25,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:25,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:25,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:25,960 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:25,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:26,387 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:26,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:26,396 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:26,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:26,820 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:26,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:26,824 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:26,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 674 states and 864 transitions. [2021-11-23 00:42:26,850 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 864 transitions. [2021-11-23 00:42:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:26,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:26,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:27,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:27,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:27,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:27,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:27,070 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:27,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:27,482 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:42:27,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:42:28,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:28,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 675 states and 865 transitions. [2021-11-23 00:42:28,379 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 865 transitions. [2021-11-23 00:42:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:28,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:28,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:28,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:42:28,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:28,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:28,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:28,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:28,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:28,689 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:42:28,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:42:29,860 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:42:29,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:42:29,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 676 states and 866 transitions. [2021-11-23 00:42:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 866 transitions. [2021-11-23 00:42:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:29,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:29,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:30,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:30,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:30,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:30,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:30,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:30,264 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:30,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:30,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:30,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:30,742 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:30,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:30,856 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:30,857 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:30,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 677 states and 867 transitions. [2021-11-23 00:42:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 867 transitions. [2021-11-23 00:42:30,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:30,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:30,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:31,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:31,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:31,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:31,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:31,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:31,301 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:31,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:31,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:31,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:31,728 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:31,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:31,826 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:31,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:31,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:31,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 678 states and 868 transitions. [2021-11-23 00:42:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 868 transitions. [2021-11-23 00:42:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:31,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:31,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:32,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:42:32,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:32,091 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:42:32,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:42:32,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:32,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:32,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:32,794 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:42:32,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:42:33,991 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:42:33,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:42:33,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:34,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:34,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 679 states and 869 transitions. [2021-11-23 00:42:34,013 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 869 transitions. [2021-11-23 00:42:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:34,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:34,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:34,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:34,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:34,260 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:34,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:34,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:34,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:34,286 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:34,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:34,711 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:34,720 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:34,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:35,192 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:35,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 680 states and 870 transitions. [2021-11-23 00:42:35,234 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 870 transitions. [2021-11-23 00:42:35,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:35,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:35,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:35,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:35,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:35,496 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:35,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:35,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:35,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:35,521 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:35,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:35,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:35,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:35,574 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:35,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:36,275 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:36,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:36,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 681 states and 871 transitions. [2021-11-23 00:42:36,314 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 871 transitions. [2021-11-23 00:42:36,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:36,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:36,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:36,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:36,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:36,554 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:42:36,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:42:36,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:36,593 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:36,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:37,026 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:42:37,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:42:37,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:37,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 682 states and 872 transitions. [2021-11-23 00:42:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 872 transitions. [2021-11-23 00:42:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:37,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:37,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:38,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:38,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:38,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:38,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:38,280 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:38,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:38,737 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:38,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:38,745 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:38,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:39,306 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:39,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:39,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 683 states and 873 transitions. [2021-11-23 00:42:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 873 transitions. [2021-11-23 00:42:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:39,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:39,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:39,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:39,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:39,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:39,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:39,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:39,703 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:39,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:39,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:39,756 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:39,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:39,864 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:39,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:39,868 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:39,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:39,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 684 states and 874 transitions. [2021-11-23 00:42:39,898 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 874 transitions. [2021-11-23 00:42:39,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:39,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:39,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:40,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:40,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:40,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:40,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:40,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:40,273 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:40,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:40,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:40,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:40,759 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:40,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:41,387 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:41,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:41,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:41,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 685 states and 875 transitions. [2021-11-23 00:42:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 875 transitions. [2021-11-23 00:42:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:41,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:41,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:41,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:42:41,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:41,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:41,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:41,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:41,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:42,380 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:42:42,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:42:43,658 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:42:43,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:42:43,663 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:43,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:43,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 686 states and 876 transitions. [2021-11-23 00:42:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 876 transitions. [2021-11-23 00:42:43,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:43,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:43,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:43,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:43,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:43,901 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:43,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:43,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:43,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:43,931 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:43,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:44,401 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:44,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:44,410 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:44,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:45,030 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:45,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:45,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:45,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 687 states and 877 transitions. [2021-11-23 00:42:45,063 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 877 transitions. [2021-11-23 00:42:45,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:45,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:45,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:45,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:45,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:45,318 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:45,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:45,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:45,343 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:45,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:45,771 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:45,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:45,780 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:45,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:46,392 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:46,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:46,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 688 states and 878 transitions. [2021-11-23 00:42:46,423 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 878 transitions. [2021-11-23 00:42:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:46,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:46,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:46,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:46,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:46,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:46,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:46,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:46,815 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:46,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:46,857 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:46,866 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:46,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:47,539 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:47,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:47,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:47,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:47,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 689 states and 879 transitions. [2021-11-23 00:42:47,562 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 879 transitions. [2021-11-23 00:42:47,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:47,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:47,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:47,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:47,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:47,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:47,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:47,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:47,898 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:47,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:47,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:47,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:47,947 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:47,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:48,617 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:48,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:48,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:48,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 690 states and 880 transitions. [2021-11-23 00:42:48,644 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 880 transitions. [2021-11-23 00:42:48,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:48,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:48,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:48,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:48,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:48,843 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:48,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:48,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:48,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:48,869 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:48,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:49,286 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:49,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:49,294 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:49,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:49,753 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:49,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 691 states and 881 transitions. [2021-11-23 00:42:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 881 transitions. [2021-11-23 00:42:49,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:49,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:49,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:49,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:42:49,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:49,992 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:42:49,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:42:50,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:50,029 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:42:50,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:50,251 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:42:50,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:42:51,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:51,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 692 states and 882 transitions. [2021-11-23 00:42:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 882 transitions. [2021-11-23 00:42:51,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:51,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:51,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:51,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:51,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:51,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:51,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:51,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:51,584 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:51,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:51,627 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:51,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:51,636 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:51,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:52,341 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:52,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:52,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 693 states and 883 transitions. [2021-11-23 00:42:52,374 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 883 transitions. [2021-11-23 00:42:52,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:52,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:52,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:52,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:52,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:52,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:52,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:52,785 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:52,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:52,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:52,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:52,838 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:52,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:53,548 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:53,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:53,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:53,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 694 states and 884 transitions. [2021-11-23 00:42:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 884 transitions. [2021-11-23 00:42:53,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:53,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:53,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:53,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:53,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:53,814 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:53,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:53,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:53,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:53,842 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:53,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:53,886 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:53,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:53,895 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:53,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:54,502 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:54,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 695 states and 885 transitions. [2021-11-23 00:42:54,537 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 885 transitions. [2021-11-23 00:42:54,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:54,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:54,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:54,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:54,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:54,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:54,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:54,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:54,927 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:54,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:55,365 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:55,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:55,374 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:55,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:55,845 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:55,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:55,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 696 states and 886 transitions. [2021-11-23 00:42:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 886 transitions. [2021-11-23 00:42:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:55,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:55,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:56,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:56,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:56,099 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:56,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:56,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:56,125 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:56,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:56,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:56,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:56,564 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:56,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:57,251 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:57,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:57,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:57,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 697 states and 887 transitions. [2021-11-23 00:42:57,287 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 887 transitions. [2021-11-23 00:42:57,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:57,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:57,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:57,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:57,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:57,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:57,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:42:57,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:57,623 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:57,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:57,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:57,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:57,674 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:57,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:58,172 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:58,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:58,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 698 states and 888 transitions. [2021-11-23 00:42:58,200 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 888 transitions. [2021-11-23 00:42:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:58,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:58,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:58,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:58,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:58,416 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:42:58,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:42:58,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:58,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:58,443 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:42:58,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:42:58,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:42:58,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:42:58,947 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:42:58,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:42:59,639 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:42:59,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:42:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:59,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:59,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 699 states and 889 transitions. [2021-11-23 00:42:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2021-11-23 00:42:59,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:42:59,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:59,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:59,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:42:59,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:42:59,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:42:59,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:00,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:00,103 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:00,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:00,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:00,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:00,608 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:00,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:01,249 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:01,250 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:01,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 700 states and 890 transitions. [2021-11-23 00:43:01,276 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 890 transitions. [2021-11-23 00:43:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:01,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:01,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:01,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:01,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:01,510 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:01,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:01,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:01,674 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:01,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:02,114 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:02,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:02,123 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:02,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:02,854 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:02,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:02,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:02,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 701 states and 891 transitions. [2021-11-23 00:43:02,888 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 891 transitions. [2021-11-23 00:43:02,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:02,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:02,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:03,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:03,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:03,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:03,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:03,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:03,303 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:03,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:03,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:03,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:03,805 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:03,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:03,926 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:03,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:03,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:03,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 702 states and 892 transitions. [2021-11-23 00:43:03,952 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 892 transitions. [2021-11-23 00:43:03,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:03,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:03,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:04,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:04,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:04,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:04,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:04,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:04,371 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:04,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:04,414 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:04,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:04,423 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:04,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:05,087 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:05,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 703 states and 893 transitions. [2021-11-23 00:43:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 893 transitions. [2021-11-23 00:43:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:05,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:05,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:05,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:05,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:05,391 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:05,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:05,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:05,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:05,420 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:05,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:05,909 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:05,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:05,918 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:05,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:06,568 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:06,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:06,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:06,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 704 states and 894 transitions. [2021-11-23 00:43:06,601 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 894 transitions. [2021-11-23 00:43:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:06,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:06,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:06,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:06,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:06,893 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:06,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:06,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:06,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:06,921 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:06,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:06,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:06,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:06,974 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:06,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:07,615 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:07,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:07,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:07,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:07,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 705 states and 895 transitions. [2021-11-23 00:43:07,646 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 895 transitions. [2021-11-23 00:43:07,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:07,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:07,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:07,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:07,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:07,878 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:07,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:07,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:07,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:07,905 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:07,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:07,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:07,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:07,953 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:07,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:08,607 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:08,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:08,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:08,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 706 states and 896 transitions. [2021-11-23 00:43:08,637 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 896 transitions. [2021-11-23 00:43:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:08,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:08,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:08,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:08,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:08,877 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:08,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:08,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:08,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:08,906 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:08,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:08,947 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:08,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:08,955 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:08,955 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:09,459 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:09,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 707 states and 897 transitions. [2021-11-23 00:43:09,502 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 897 transitions. [2021-11-23 00:43:09,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:09,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:09,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:09,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:09,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:09,763 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:43:09,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:43:09,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:09,794 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:09,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:10,283 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:43:10,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:43:11,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:11,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:11,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 708 states and 898 transitions. [2021-11-23 00:43:11,260 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 898 transitions. [2021-11-23 00:43:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:11,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:11,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:11,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:11,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:11,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:11,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:11,563 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:11,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:11,788 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:43:11,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:43:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 709 states and 899 transitions. [2021-11-23 00:43:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 899 transitions. [2021-11-23 00:43:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:12,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:12,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:12,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:12,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:12,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:13,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:13,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:13,158 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:13,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:13,634 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:13,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:13,644 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:13,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:14,374 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:14,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 710 states and 900 transitions. [2021-11-23 00:43:14,412 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 900 transitions. [2021-11-23 00:43:14,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:14,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:14,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:14,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:14,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:14,680 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:43:14,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:43:14,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:14,717 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:14,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:15,193 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:43:15,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:43:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:16,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:16,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 711 states and 901 transitions. [2021-11-23 00:43:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 901 transitions. [2021-11-23 00:43:16,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:16,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:16,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:16,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:16,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:16,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:16,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:16,615 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:16,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:16,657 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:16,666 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:16,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:17,382 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:17,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:17,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 712 states and 902 transitions. [2021-11-23 00:43:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 902 transitions. [2021-11-23 00:43:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:17,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:17,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:17,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:17,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:17,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:17,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:17,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:17,796 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:17,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:18,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:18,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:18,260 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:18,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:18,898 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:18,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:18,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 713 states and 903 transitions. [2021-11-23 00:43:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 903 transitions. [2021-11-23 00:43:18,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:18,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:18,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:19,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:19,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:19,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:19,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:19,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:19,351 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:19,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:19,393 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:19,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:19,402 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:19,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:20,034 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:20,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:20,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 714 states and 904 transitions. [2021-11-23 00:43:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 904 transitions. [2021-11-23 00:43:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:20,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:20,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:20,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:20,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:20,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:20,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:20,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:20,453 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:20,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:20,863 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:20,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:20,871 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:20,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:21,479 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:21,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:21,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:21,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:21,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 715 states and 905 transitions. [2021-11-23 00:43:21,508 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 905 transitions. [2021-11-23 00:43:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:21,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:21,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:21,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:21,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:21,724 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:21,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:21,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:21,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:21,748 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:21,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:22,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:22,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:22,220 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:22,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:22,834 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:22,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:22,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 716 states and 906 transitions. [2021-11-23 00:43:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 906 transitions. [2021-11-23 00:43:22,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:22,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:22,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:23,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:23,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:23,112 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:23,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:23,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:23,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:23,140 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:23,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:23,570 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:23,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:23,578 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:23,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:24,276 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:24,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 717 states and 907 transitions. [2021-11-23 00:43:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 907 transitions. [2021-11-23 00:43:24,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:24,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:24,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:24,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:24,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:24,562 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:24,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:24,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:24,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:24,587 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:24,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:25,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:25,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:25,029 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:25,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:25,598 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:25,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:25,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:25,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:25,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 718 states and 908 transitions. [2021-11-23 00:43:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 908 transitions. [2021-11-23 00:43:25,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:25,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:25,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:25,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:25,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:25,896 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:43:25,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:43:25,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:25,934 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:25,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:26,160 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:43:26,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:43:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:27,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 719 states and 909 transitions. [2021-11-23 00:43:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 909 transitions. [2021-11-23 00:43:27,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:27,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:27,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:27,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:27,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:27,252 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:27,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:27,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:27,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:27,277 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:27,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:27,318 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:27,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:27,327 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:27,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:27,993 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:27,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:28,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:28,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 720 states and 910 transitions. [2021-11-23 00:43:28,034 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 910 transitions. [2021-11-23 00:43:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:28,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:28,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:28,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:28,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:28,250 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:28,251 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:28,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:28,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:28,279 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:28,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:28,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:28,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:28,803 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:28,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:29,421 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:29,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:29,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:29,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 721 states and 911 transitions. [2021-11-23 00:43:29,451 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 911 transitions. [2021-11-23 00:43:29,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:29,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:29,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:29,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:29,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:29,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:29,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:29,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:29,864 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:29,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:30,307 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:30,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:30,316 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:30,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:31,051 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:31,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:31,056 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:31,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:31,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 722 states and 912 transitions. [2021-11-23 00:43:31,081 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 912 transitions. [2021-11-23 00:43:31,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:31,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:31,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:31,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:31,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:31,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:31,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:31,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:31,479 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:31,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:31,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:31,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:31,529 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:31,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:32,163 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:32,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 723 states and 913 transitions. [2021-11-23 00:43:32,193 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 913 transitions. [2021-11-23 00:43:32,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:32,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:32,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:32,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:32,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:32,446 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:32,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:32,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:32,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:32,475 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:32,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:32,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:32,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:32,928 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:32,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:33,654 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:33,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:33,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:33,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 724 states and 914 transitions. [2021-11-23 00:43:33,684 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 914 transitions. [2021-11-23 00:43:33,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:33,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:33,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:33,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:33,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:33,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:33,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:34,087 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:34,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:34,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:34,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:34,600 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:34,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:35,096 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:35,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 725 states and 915 transitions. [2021-11-23 00:43:35,126 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 915 transitions. [2021-11-23 00:43:35,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:35,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:35,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:35,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:35,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:35,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:35,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:35,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:35,540 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:35,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:36,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:36,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:36,065 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:36,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:36,646 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:36,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 726 states and 916 transitions. [2021-11-23 00:43:36,676 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 916 transitions. [2021-11-23 00:43:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:36,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:36,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:36,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:36,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:36,917 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:36,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:36,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:36,944 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:36,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:37,388 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:37,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:37,397 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:37,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:38,102 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:38,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:38,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 727 states and 917 transitions. [2021-11-23 00:43:38,135 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 917 transitions. [2021-11-23 00:43:38,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:38,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:38,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:38,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:38,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:38,339 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:38,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:38,503 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:38,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:38,545 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:38,554 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:38,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:39,146 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:39,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:39,151 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:39,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 728 states and 918 transitions. [2021-11-23 00:43:39,175 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 918 transitions. [2021-11-23 00:43:39,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:39,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:39,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:39,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:39,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:39,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:39,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:39,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:39,588 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:39,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:40,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:40,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:40,056 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:40,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:40,762 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:40,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:40,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:40,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 729 states and 919 transitions. [2021-11-23 00:43:40,793 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 919 transitions. [2021-11-23 00:43:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:40,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:40,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:41,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:41,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:41,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:41,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:41,120 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:41,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:41,625 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:43:41,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:43:42,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:42,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 730 states and 920 transitions. [2021-11-23 00:43:42,781 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 920 transitions. [2021-11-23 00:43:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:42,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:42,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:43,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:43:43,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:43,093 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:43:43,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:43:43,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:43,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:43,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:43,209 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:43:43,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:43:43,530 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:43:43,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:43:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:43,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 731 states and 921 transitions. [2021-11-23 00:43:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 921 transitions. [2021-11-23 00:43:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:43,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:43,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:43,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:43,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:43,836 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:43,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:43,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:43,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:43,864 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:43,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:44,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:44,408 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:44,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:45,199 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:45,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:45,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:45,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 732 states and 922 transitions. [2021-11-23 00:43:45,228 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 922 transitions. [2021-11-23 00:43:45,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:45,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:45,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:45,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:45,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:45,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:45,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:45,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:45,671 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:45,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:46,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:46,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:46,123 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:46,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:46,804 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:46,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:46,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:46,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 733 states and 923 transitions. [2021-11-23 00:43:46,831 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 923 transitions. [2021-11-23 00:43:46,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:46,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:46,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:47,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:47,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:47,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:47,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:47,222 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:47,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:47,670 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:47,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:47,679 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:47,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:48,387 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:48,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:48,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:48,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 734 states and 924 transitions. [2021-11-23 00:43:48,414 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 924 transitions. [2021-11-23 00:43:48,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:48,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:48,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:48,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:43:48,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:48,602 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:43:48,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:43:48,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:48,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:48,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:49,368 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:43:49,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:43:50,784 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:43:50,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:43:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 735 states and 925 transitions. [2021-11-23 00:43:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 925 transitions. [2021-11-23 00:43:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:50,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:50,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:51,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:51,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:51,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:51,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:51,064 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:51,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:51,563 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:43:51,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:43:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 736 states and 926 transitions. [2021-11-23 00:43:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 926 transitions. [2021-11-23 00:43:52,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:52,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:52,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:52,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:52,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:52,924 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:52,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:52,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:52,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:52,954 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:52,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:53,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:53,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:53,477 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:53,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:54,176 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:54,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:54,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 737 states and 927 transitions. [2021-11-23 00:43:54,204 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 927 transitions. [2021-11-23 00:43:54,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:54,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:54,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:54,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:54,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:54,476 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:43:54,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:43:54,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:54,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:54,506 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:54,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:54,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:54,556 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:54,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:55,263 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:55,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:55,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:55,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 738 states and 928 transitions. [2021-11-23 00:43:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 928 transitions. [2021-11-23 00:43:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:55,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:55,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:55,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:43:55,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:55,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:55,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:55,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:55,703 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:43:55,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:55,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:43:55,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:43:55,758 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:43:55,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:43:56,471 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:43:56,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:43:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 739 states and 929 transitions. [2021-11-23 00:43:56,500 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 929 transitions. [2021-11-23 00:43:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:56,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:56,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:56,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:56,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:56,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:56,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:43:56,804 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:56,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:57,306 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:43:57,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:43:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:58,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:58,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 740 states and 930 transitions. [2021-11-23 00:43:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 930 transitions. [2021-11-23 00:43:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:58,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:58,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:43:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:43:58,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:43:58,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:43:58,453 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:43:58,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:43:58,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:43:58,483 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:43:58,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:43:58,980 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:43:58,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:43:59,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:43:59,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:43:59,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 741 states and 931 transitions. [2021-11-23 00:43:59,982 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 931 transitions. [2021-11-23 00:43:59,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:43:59,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:43:59,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:00,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:00,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:00,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:00,228 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:00,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:00,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:00,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:00,252 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:00,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:00,754 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:00,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:00,762 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:00,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:01,447 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:01,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:01,452 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 742 states and 932 transitions. [2021-11-23 00:44:01,481 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 932 transitions. [2021-11-23 00:44:01,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:01,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:01,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:01,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:01,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:01,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:01,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:01,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:01,831 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:01,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:01,883 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:01,891 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:01,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:02,543 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:02,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 743 states and 933 transitions. [2021-11-23 00:44:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 933 transitions. [2021-11-23 00:44:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:02,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:02,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:02,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:02,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:02,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:02,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:03,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:03,002 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:03,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:03,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:03,051 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:03,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:03,700 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:03,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:03,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 744 states and 934 transitions. [2021-11-23 00:44:03,737 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 934 transitions. [2021-11-23 00:44:03,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:03,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:03,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:03,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:03,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:04,004 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:04,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:04,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:04,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:04,030 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:04,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:04,070 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:04,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:04,078 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:04,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:04,743 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:04,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:04,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:04,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 745 states and 935 transitions. [2021-11-23 00:44:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 935 transitions. [2021-11-23 00:44:04,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:04,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:04,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:04,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:04,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:05,000 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:05,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:05,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:05,022 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:05,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:05,062 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:05,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:05,069 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:05,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:05,562 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:05,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 746 states and 936 transitions. [2021-11-23 00:44:05,596 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 936 transitions. [2021-11-23 00:44:05,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:05,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:05,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:05,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:05,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:05,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:05,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:05,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:05,993 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:05,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:06,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:06,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:06,043 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:06,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:06,536 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:06,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:06,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 747 states and 937 transitions. [2021-11-23 00:44:06,575 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 937 transitions. [2021-11-23 00:44:06,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:06,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:06,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:06,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:06,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:06,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:06,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:06,983 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:06,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:07,481 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:07,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:07,489 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:07,489 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:07,967 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:07,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:07,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:07,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 748 states and 938 transitions. [2021-11-23 00:44:07,999 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 938 transitions. [2021-11-23 00:44:07,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:07,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:07,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:08,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:08,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:08,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:08,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:08,412 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:08,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:08,889 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:08,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:08,898 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:08,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:09,004 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:09,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:09,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:09,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 749 states and 939 transitions. [2021-11-23 00:44:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 939 transitions. [2021-11-23 00:44:09,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:09,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:09,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:09,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:09,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:09,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:09,347 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:09,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:09,507 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:09,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:09,548 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:09,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:09,556 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:09,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:09,671 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:09,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:09,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 750 states and 940 transitions. [2021-11-23 00:44:09,706 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 940 transitions. [2021-11-23 00:44:09,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:09,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:09,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:09,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:44:09,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:09,930 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:44:09,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:44:09,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:09,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:09,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:10,035 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:44:10,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:44:11,270 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:44:11,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:44:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:11,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 751 states and 941 transitions. [2021-11-23 00:44:11,294 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 941 transitions. [2021-11-23 00:44:11,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:11,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:11,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:11,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:44:11,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:11,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:11,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:11,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:11,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:11,597 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:44:11,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:44:12,866 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:44:12,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:44:12,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:12,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 752 states and 942 transitions. [2021-11-23 00:44:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 942 transitions. [2021-11-23 00:44:12,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:12,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:12,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:13,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:13,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:13,160 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:13,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:13,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:13,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:13,186 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:13,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:13,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:13,234 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:13,234 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:13,828 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:13,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:13,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:13,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:13,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 753 states and 943 transitions. [2021-11-23 00:44:13,868 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 943 transitions. [2021-11-23 00:44:13,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:13,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:13,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:14,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:44:14,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:14,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:14,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:14,160 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:44:14,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:14,627 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:44:14,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:44:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:15,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:15,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 754 states and 944 transitions. [2021-11-23 00:44:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 944 transitions. [2021-11-23 00:44:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:15,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:15,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:15,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:15,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:15,801 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:15,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:15,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:15,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:15,833 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:15,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:16,350 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:16,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:16,358 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:16,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:17,065 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:17,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:17,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:17,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 755 states and 945 transitions. [2021-11-23 00:44:17,098 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 945 transitions. [2021-11-23 00:44:17,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:17,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:17,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:17,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:17,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:17,337 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:17,337 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:17,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:17,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:17,361 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:17,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:17,402 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:17,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:17,410 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:17,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:18,051 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:18,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:18,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 756 states and 946 transitions. [2021-11-23 00:44:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 946 transitions. [2021-11-23 00:44:18,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:18,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:18,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:18,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:44:18,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:18,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:18,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:18,357 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:44:18,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:18,849 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:44:18,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:44:19,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 757 states and 947 transitions. [2021-11-23 00:44:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 947 transitions. [2021-11-23 00:44:19,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:19,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:19,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:20,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:44:20,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:20,102 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:44:20,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:44:20,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:20,138 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:44:20,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:20,341 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:44:20,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:44:21,241 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:21,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 758 states and 948 transitions. [2021-11-23 00:44:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 948 transitions. [2021-11-23 00:44:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:21,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:21,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:21,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:44:21,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:21,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:21,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:21,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:21,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:21,579 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:44:21,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:44:22,899 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:44:22,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:44:22,904 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:22,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:22,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 759 states and 949 transitions. [2021-11-23 00:44:22,929 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 949 transitions. [2021-11-23 00:44:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:22,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:22,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:23,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:23,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:23,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:23,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:23,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:23,292 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:23,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:23,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:23,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:23,772 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:23,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:23,877 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:23,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:23,881 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:23,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:23,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 760 states and 950 transitions. [2021-11-23 00:44:23,905 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 950 transitions. [2021-11-23 00:44:23,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:23,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:23,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:24,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:24,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:24,164 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:24,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:24,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:24,327 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:24,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:24,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:24,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:24,377 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:24,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:25,032 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:25,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:25,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:25,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 761 states and 951 transitions. [2021-11-23 00:44:25,065 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 951 transitions. [2021-11-23 00:44:25,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:25,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:25,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:25,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:25,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:25,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:25,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:25,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:25,480 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:25,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:25,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:25,941 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:25,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:26,673 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:26,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:26,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:26,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 762 states and 952 transitions. [2021-11-23 00:44:26,698 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 952 transitions. [2021-11-23 00:44:26,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:26,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:26,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:26,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:44:26,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:26,984 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:26,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:27,013 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:44:27,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:28,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:28,514 INFO L354 Elim1Store]: treesize reduction 102, result has 14.3 percent of original size [2021-11-23 00:44:28,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 50 [2021-11-23 00:44:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 763 states and 953 transitions. [2021-11-23 00:44:30,275 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 953 transitions. [2021-11-23 00:44:30,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:30,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:30,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:30,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:30,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:30,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:30,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:30,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:30,703 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:30,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:30,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:30,754 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:30,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:31,419 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:31,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 764 states and 954 transitions. [2021-11-23 00:44:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 954 transitions. [2021-11-23 00:44:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:31,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:31,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:31,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:31,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:31,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:31,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:31,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:31,809 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:31,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:31,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:31,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:31,859 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:31,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:32,343 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:32,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 765 states and 955 transitions. [2021-11-23 00:44:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 955 transitions. [2021-11-23 00:44:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:32,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:32,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:32,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:32,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:32,597 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:32,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:32,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:32,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:32,622 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:32,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:33,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:33,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:33,097 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:33,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:33,823 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:33,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 766 states and 956 transitions. [2021-11-23 00:44:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 956 transitions. [2021-11-23 00:44:33,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:33,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:33,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:34,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:34,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:34,136 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:34,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:34,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:34,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:34,170 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:34,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:34,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:34,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:34,758 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:34,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:34,910 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:34,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 767 states and 957 transitions. [2021-11-23 00:44:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 957 transitions. [2021-11-23 00:44:34,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:34,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:34,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:35,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:35,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:35,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:35,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:35,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:35,439 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:35,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:35,906 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:35,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:35,914 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:35,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:36,666 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:36,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:36,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:36,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 768 states and 958 transitions. [2021-11-23 00:44:36,705 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 958 transitions. [2021-11-23 00:44:36,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:36,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:36,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:36,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:36,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:36,995 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:36,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:37,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:37,020 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:37,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:37,513 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:37,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:37,521 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:37,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:38,215 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:38,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:38,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:38,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 769 states and 959 transitions. [2021-11-23 00:44:38,247 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 959 transitions. [2021-11-23 00:44:38,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:38,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:38,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:38,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:38,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:38,490 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:38,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:38,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:38,518 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:38,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:38,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:38,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:38,999 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:38,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:39,636 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:39,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:39,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 770 states and 960 transitions. [2021-11-23 00:44:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 960 transitions. [2021-11-23 00:44:39,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:39,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:39,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:39,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:39,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:39,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:39,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:40,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:40,101 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:40,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:40,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:40,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:40,618 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:40,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:41,346 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:41,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:41,350 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:41,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 771 states and 961 transitions. [2021-11-23 00:44:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 961 transitions. [2021-11-23 00:44:41,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:41,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:41,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:41,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:41,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:41,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:41,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:41,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:41,781 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:41,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:42,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:42,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:42,261 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:42,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:42,906 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:42,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:42,911 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:42,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:42,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 772 states and 962 transitions. [2021-11-23 00:44:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 962 transitions. [2021-11-23 00:44:42,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:42,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:42,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:43,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:43,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:43,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:43,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:43,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:43,342 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:43,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:43,384 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:43,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:43,392 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:43,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:44,061 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:44,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:44,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 773 states and 963 transitions. [2021-11-23 00:44:44,092 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 963 transitions. [2021-11-23 00:44:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:44,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:44,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:44,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:44,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:44,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:44,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:44,483 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:44,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:44,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:44,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:44,988 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:44,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:45,662 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:45,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:45,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 774 states and 964 transitions. [2021-11-23 00:44:45,693 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 964 transitions. [2021-11-23 00:44:45,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:45,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:45,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:45,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:45,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:45,974 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:45,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:45,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:45,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:46,000 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:46,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:46,468 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:46,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:46,476 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:46,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:46,583 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:46,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:46,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:46,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 775 states and 965 transitions. [2021-11-23 00:44:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 965 transitions. [2021-11-23 00:44:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:46,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:46,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:46,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:46,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:46,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:46,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:47,065 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:47,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:47,522 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:47,531 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:47,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:48,174 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:48,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:48,178 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 776 states and 966 transitions. [2021-11-23 00:44:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 966 transitions. [2021-11-23 00:44:48,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:48,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:48,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:48,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:48,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:48,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:48,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:48,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:48,599 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:48,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:49,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:49,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:49,070 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:49,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:49,704 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:49,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:49,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 777 states and 967 transitions. [2021-11-23 00:44:49,740 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 967 transitions. [2021-11-23 00:44:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:49,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:49,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:49,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:49,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:49,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:49,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:49,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:50,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:50,135 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:50,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:50,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:50,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:50,183 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:50,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:50,672 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:50,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:50,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 778 states and 968 transitions. [2021-11-23 00:44:50,704 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 968 transitions. [2021-11-23 00:44:50,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:50,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:50,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:50,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:50,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:51,005 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:51,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:51,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:51,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:51,030 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:51,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:51,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:51,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:51,551 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:51,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:52,260 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:52,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:52,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 779 states and 969 transitions. [2021-11-23 00:44:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 969 transitions. [2021-11-23 00:44:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:52,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:52,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:52,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:52,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:52,567 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:52,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:52,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:52,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:52,595 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:52,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:52,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:52,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:52,643 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:52,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:53,224 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:53,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:53,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 780 states and 970 transitions. [2021-11-23 00:44:53,261 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 970 transitions. [2021-11-23 00:44:53,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:53,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:53,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:53,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:44:53,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:53,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:53,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:53,505 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:44:53,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:53,694 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:44:53,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:44:54,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:54,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 781 states and 971 transitions. [2021-11-23 00:44:54,653 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 971 transitions. [2021-11-23 00:44:54,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:54,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:54,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:54,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:54,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:54,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:54,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:55,039 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:55,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:55,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:55,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:55,506 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:55,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:56,002 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:56,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:56,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:56,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 782 states and 972 transitions. [2021-11-23 00:44:56,041 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 972 transitions. [2021-11-23 00:44:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:56,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:56,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:56,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:44:56,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:56,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:56,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:44:56,328 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:44:56,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:56,787 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:44:56,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:44:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:57,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 783 states and 973 transitions. [2021-11-23 00:44:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 973 transitions. [2021-11-23 00:44:57,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:57,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:57,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:57,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:57,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:57,945 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:57,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:57,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:57,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:57,971 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:57,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:58,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:58,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:58,440 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:58,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:44:59,198 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:44:59,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:44:59,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:44:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:44:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 784 states and 974 transitions. [2021-11-23 00:44:59,244 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 974 transitions. [2021-11-23 00:44:59,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:44:59,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:44:59,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:44:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:44:59,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:44:59,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:44:59,496 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:44:59,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:44:59,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:44:59,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:59,522 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:44:59,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:44:59,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:44:59,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:44:59,995 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:44:59,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:00,634 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:00,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:00,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 785 states and 975 transitions. [2021-11-23 00:45:00,667 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 975 transitions. [2021-11-23 00:45:00,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:00,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:00,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:00,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:45:00,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:00,938 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:45:00,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:45:00,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:00,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:00,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:01,578 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:45:01,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:45:02,786 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:45:02,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:45:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 786 states and 976 transitions. [2021-11-23 00:45:02,813 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 976 transitions. [2021-11-23 00:45:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:02,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:02,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:03,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:03,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:03,060 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:03,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:03,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:03,086 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:03,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:03,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:03,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:03,131 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:03,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:03,776 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:03,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:03,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 787 states and 977 transitions. [2021-11-23 00:45:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 977 transitions. [2021-11-23 00:45:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:03,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:03,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:04,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:04,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:04,043 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:45:04,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:45:04,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:04,080 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:04,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:04,327 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:45:04,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:45:05,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:05,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 788 states and 978 transitions. [2021-11-23 00:45:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 978 transitions. [2021-11-23 00:45:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:05,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:05,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:05,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:05,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:05,611 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:05,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:05,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:05,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:05,634 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:05,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:06,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:06,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:06,107 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:06,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:06,220 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:06,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 789 states and 979 transitions. [2021-11-23 00:45:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 979 transitions. [2021-11-23 00:45:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:06,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:06,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:06,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:45:06,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:06,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:06,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:06,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:06,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:07,095 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:45:07,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:45:08,302 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:45:08,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:45:08,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:08,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:08,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 790 states and 980 transitions. [2021-11-23 00:45:08,333 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 980 transitions. [2021-11-23 00:45:08,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:08,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:08,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:08,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:08,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:08,588 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:45:08,589 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:45:08,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:08,629 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:08,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:09,159 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:45:09,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:45:10,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:10,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 791 states and 981 transitions. [2021-11-23 00:45:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 981 transitions. [2021-11-23 00:45:10,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:10,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:10,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:10,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:10,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:10,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:10,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:10,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:10,581 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:10,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:10,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:10,632 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:10,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:11,283 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:11,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:11,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:11,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 792 states and 982 transitions. [2021-11-23 00:45:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 982 transitions. [2021-11-23 00:45:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:11,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:11,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:11,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:11,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:11,610 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:11,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:11,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:11,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:11,637 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:11,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:12,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:12,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:12,109 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:12,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:12,868 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:12,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:12,873 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:12,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 793 states and 983 transitions. [2021-11-23 00:45:12,904 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 983 transitions. [2021-11-23 00:45:12,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:12,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:12,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:13,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:13,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:13,170 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:13,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:13,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:13,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:13,197 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:13,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:13,235 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:13,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:13,243 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:13,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:13,934 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:13,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:13,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 794 states and 984 transitions. [2021-11-23 00:45:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 984 transitions. [2021-11-23 00:45:13,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:13,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:13,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:14,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:14,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:14,196 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:14,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:14,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:14,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:14,222 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:14,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:14,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:14,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:14,689 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:14,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:15,435 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:15,435 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:15,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 795 states and 985 transitions. [2021-11-23 00:45:15,463 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 985 transitions. [2021-11-23 00:45:15,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:15,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:15,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:15,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:45:15,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:15,676 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:45:15,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:45:15,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:15,698 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:15,772 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:45:15,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:45:16,958 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:45:16,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:45:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:16,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 796 states and 986 transitions. [2021-11-23 00:45:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 986 transitions. [2021-11-23 00:45:16,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:16,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:16,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:17,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:17,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:17,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:17,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:17,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:17,369 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:17,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:17,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:17,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:17,846 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:17,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:18,561 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:18,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:18,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 797 states and 987 transitions. [2021-11-23 00:45:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 987 transitions. [2021-11-23 00:45:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:18,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:18,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:18,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:18,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:18,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:18,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:19,021 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:19,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:19,547 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:19,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:19,556 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:19,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:20,197 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:20,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:20,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 798 states and 988 transitions. [2021-11-23 00:45:20,218 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 988 transitions. [2021-11-23 00:45:20,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:20,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:20,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:20,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:45:20,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:20,485 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:45:20,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:45:20,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:20,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:20,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:20,582 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:45:20,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:45:21,754 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:45:21,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:45:21,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:21,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:21,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 799 states and 989 transitions. [2021-11-23 00:45:21,786 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 989 transitions. [2021-11-23 00:45:21,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:21,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:21,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:22,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:22,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:22,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:22,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:22,182 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:22,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:22,225 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:22,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:22,233 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:22,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:22,886 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:22,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:22,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 800 states and 990 transitions. [2021-11-23 00:45:22,906 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 990 transitions. [2021-11-23 00:45:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:22,906 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:22,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:23,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:23,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:23,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:23,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:23,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:23,315 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:23,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:23,773 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:23,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:23,780 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:23,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:24,328 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:24,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:24,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:24,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 801 states and 991 transitions. [2021-11-23 00:45:24,354 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 991 transitions. [2021-11-23 00:45:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:24,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:24,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:24,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:24,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:24,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:24,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:24,617 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:24,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:25,049 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:45:25,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:45:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 802 states and 992 transitions. [2021-11-23 00:45:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 992 transitions. [2021-11-23 00:45:26,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:26,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:26,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:26,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:26,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:26,378 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:26,378 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:26,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:26,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:26,403 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:26,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:26,880 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:26,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:26,889 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:26,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:27,546 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:27,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:27,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 803 states and 993 transitions. [2021-11-23 00:45:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 993 transitions. [2021-11-23 00:45:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:27,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:27,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:27,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:27,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:27,823 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:27,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:27,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:27,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:27,850 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:27,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:28,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:28,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:28,332 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:28,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:29,028 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:29,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:29,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 804 states and 994 transitions. [2021-11-23 00:45:29,050 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 994 transitions. [2021-11-23 00:45:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:29,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:29,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:29,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:29,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:29,334 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:29,334 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:29,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:29,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:29,359 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:29,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:29,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:29,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:29,837 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:29,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:30,344 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:30,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:30,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 805 states and 995 transitions. [2021-11-23 00:45:30,365 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 995 transitions. [2021-11-23 00:45:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:30,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:30,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:30,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:30,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:30,571 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:30,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:30,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:30,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:30,599 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:30,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:31,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:31,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:31,118 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:31,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:31,754 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:31,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:31,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:31,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 806 states and 996 transitions. [2021-11-23 00:45:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 996 transitions. [2021-11-23 00:45:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:31,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:31,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:31,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:31,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:31,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:31,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:32,002 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:32,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:32,455 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:45:32,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:45:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:33,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:33,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 807 states and 997 transitions. [2021-11-23 00:45:33,501 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 997 transitions. [2021-11-23 00:45:33,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:33,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:33,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:33,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:33,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:33,773 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:33,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:33,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:33,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:33,800 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:33,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:34,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:34,282 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:34,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:35,014 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:35,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:35,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:35,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 808 states and 998 transitions. [2021-11-23 00:45:35,039 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 998 transitions. [2021-11-23 00:45:35,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:35,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:35,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:35,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:35,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:35,330 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:35,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:35,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:35,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:35,356 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:35,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:35,887 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:35,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:35,896 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:35,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:36,427 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:36,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:36,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:36,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:36,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 809 states and 999 transitions. [2021-11-23 00:45:36,456 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 999 transitions. [2021-11-23 00:45:36,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:36,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:36,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:36,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:36,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:36,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:36,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:36,920 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:36,920 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:37,413 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:37,422 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:37,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:37,540 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:37,540 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:37,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:37,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 810 states and 1000 transitions. [2021-11-23 00:45:37,568 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1000 transitions. [2021-11-23 00:45:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:37,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:37,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:37,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:37,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:37,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:37,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:37,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:37,997 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:37,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:38,477 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:38,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:38,486 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:38,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:39,004 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:39,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:39,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 811 states and 1001 transitions. [2021-11-23 00:45:39,026 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1001 transitions. [2021-11-23 00:45:39,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:39,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:39,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:39,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:39,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:39,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:39,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:39,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:39,410 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:39,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:39,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:39,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:39,461 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:39,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:40,241 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:40,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:40,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 812 states and 1002 transitions. [2021-11-23 00:45:40,263 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1002 transitions. [2021-11-23 00:45:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:40,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:40,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:40,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:40,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:40,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:40,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:40,636 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:40,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:40,873 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:45:40,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:45:41,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:41,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 813 states and 1003 transitions. [2021-11-23 00:45:41,906 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1003 transitions. [2021-11-23 00:45:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:41,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:41,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:42,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:42,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:42,212 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:42,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:42,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:42,236 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:42,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:42,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:42,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:42,288 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:42,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:42,963 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:42,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:42,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 814 states and 1004 transitions. [2021-11-23 00:45:42,984 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1004 transitions. [2021-11-23 00:45:42,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:42,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:42,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:43,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:45:43,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:43,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:43,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:43,255 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:45:43,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:43,787 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:45:43,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:45:44,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:44,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 815 states and 1005 transitions. [2021-11-23 00:45:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1005 transitions. [2021-11-23 00:45:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:44,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:44,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:45,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:45,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:45,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:45,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:45,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:45,257 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:45,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:45,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:45,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:45,799 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:45,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:46,473 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:46,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:46,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:46,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 816 states and 1006 transitions. [2021-11-23 00:45:46,501 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1006 transitions. [2021-11-23 00:45:46,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:46,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:46,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:46,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:46,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:46,791 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:46,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:46,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:46,827 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:46,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:46,867 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:46,875 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:46,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:47,650 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:47,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:47,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:47,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 817 states and 1007 transitions. [2021-11-23 00:45:47,671 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1007 transitions. [2021-11-23 00:45:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:47,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:47,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:47,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:47,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:47,938 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:47,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:47,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:47,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:47,965 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:47,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:48,505 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:48,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:48,514 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:48,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:49,202 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:49,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:49,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 818 states and 1008 transitions. [2021-11-23 00:45:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1008 transitions. [2021-11-23 00:45:49,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:49,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:49,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:49,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:49,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:49,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:49,490 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:49,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:49,655 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:49,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:49,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:49,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:49,707 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:49,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:50,376 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:50,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:50,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:50,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 819 states and 1009 transitions. [2021-11-23 00:45:50,407 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1009 transitions. [2021-11-23 00:45:50,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:50,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:50,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:50,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:50,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:50,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:50,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:50,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:50,782 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:50,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:51,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:51,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:51,328 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:51,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:52,060 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:52,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:52,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:52,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 820 states and 1010 transitions. [2021-11-23 00:45:52,087 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1010 transitions. [2021-11-23 00:45:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:52,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:52,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:52,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:52,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:52,370 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:52,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:52,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:52,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:52,395 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:52,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:52,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:52,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:52,881 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:52,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:53,559 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:53,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 821 states and 1011 transitions. [2021-11-23 00:45:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1011 transitions. [2021-11-23 00:45:53,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:53,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:53,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:53,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:53,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:53,855 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:53,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:53,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:53,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:53,884 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:53,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:53,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:53,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:53,932 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:53,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:54,711 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:54,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:54,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:54,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 822 states and 1012 transitions. [2021-11-23 00:45:54,740 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1012 transitions. [2021-11-23 00:45:54,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:54,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:54,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:54,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:54,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:55,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:55,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:55,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:55,177 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:55,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:55,218 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:55,226 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:55,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:55,814 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:55,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:55,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 823 states and 1013 transitions. [2021-11-23 00:45:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1013 transitions. [2021-11-23 00:45:55,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:55,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:55,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:56,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:56,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:56,109 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:45:56,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:45:56,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:56,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:56,137 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:56,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:56,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:56,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:56,671 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:56,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:57,392 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:57,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:57,397 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 824 states and 1014 transitions. [2021-11-23 00:45:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1014 transitions. [2021-11-23 00:45:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:57,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:57,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:57,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:57,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:57,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:57,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:57,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:57,842 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:57,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:45:58,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:45:58,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:58,332 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:45:58,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:45:59,090 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:45:59,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:45:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:45:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:45:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 825 states and 1015 transitions. [2021-11-23 00:45:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1015 transitions. [2021-11-23 00:45:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:45:59,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:45:59,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:45:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:45:59,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:45:59,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:45:59,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:45:59,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:45:59,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:45:59,519 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:45:59,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:00,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:00,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:00,046 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:00,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:00,754 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:00,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 826 states and 1016 transitions. [2021-11-23 00:46:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1016 transitions. [2021-11-23 00:46:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:00,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:00,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:00,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:00,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:00,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:00,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:01,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:01,150 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:01,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:01,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:01,637 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:01,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:02,229 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:02,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:02,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:02,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 827 states and 1017 transitions. [2021-11-23 00:46:02,258 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1017 transitions. [2021-11-23 00:46:02,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:02,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:02,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:02,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:02,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:02,519 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:02,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:02,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:02,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:02,542 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:02,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:03,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:03,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:03,079 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:03,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:03,746 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:03,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:03,751 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:03,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:03,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 828 states and 1018 transitions. [2021-11-23 00:46:03,776 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1018 transitions. [2021-11-23 00:46:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:03,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:03,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:04,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:04,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:04,040 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:46:04,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:46:04,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:04,071 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:04,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:04,567 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:46:04,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:46:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:05,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:05,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 829 states and 1019 transitions. [2021-11-23 00:46:05,658 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1019 transitions. [2021-11-23 00:46:05,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:05,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:05,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:05,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:05,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:05,968 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:05,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:05,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:05,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:05,999 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:05,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:06,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:06,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:06,503 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:06,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:07,170 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:07,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 830 states and 1020 transitions. [2021-11-23 00:46:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1020 transitions. [2021-11-23 00:46:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:07,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:07,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:07,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:07,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:07,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:07,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:07,648 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:07,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:08,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:08,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:08,123 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:08,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:08,890 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:08,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 831 states and 1021 transitions. [2021-11-23 00:46:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1021 transitions. [2021-11-23 00:46:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:08,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:08,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:09,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:09,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:09,191 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:09,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:09,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:09,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:09,218 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:09,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:09,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:09,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:09,270 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:09,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:09,792 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:09,793 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:09,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 832 states and 1022 transitions. [2021-11-23 00:46:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1022 transitions. [2021-11-23 00:46:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:09,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:09,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:10,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:10,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:46:10,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:10,154 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:46:10,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:46:10,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:10,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:10,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:10,260 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:46:10,260 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:46:11,699 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:46:11,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:46:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 833 states and 1023 transitions. [2021-11-23 00:46:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1023 transitions. [2021-11-23 00:46:11,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:11,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:11,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:11,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:11,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:11,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:11,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:12,153 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:12,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:12,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:12,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:12,721 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:12,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:12,829 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:12,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:12,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 834 states and 1024 transitions. [2021-11-23 00:46:12,868 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1024 transitions. [2021-11-23 00:46:12,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:12,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:12,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:13,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:13,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:13,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:13,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:13,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:13,279 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:13,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:13,791 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:13,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:13,800 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:13,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:13,914 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:13,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 835 states and 1025 transitions. [2021-11-23 00:46:13,952 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1025 transitions. [2021-11-23 00:46:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:13,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:13,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:14,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:14,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:14,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:14,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:14,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:14,427 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:14,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:14,467 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:14,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:14,476 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:14,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:15,254 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:15,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 836 states and 1026 transitions. [2021-11-23 00:46:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1026 transitions. [2021-11-23 00:46:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:15,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:15,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:15,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:15,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:15,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:15,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:15,760 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:15,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:15,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:15,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:15,812 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:15,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:16,340 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:16,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:16,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:16,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:16,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 837 states and 1027 transitions. [2021-11-23 00:46:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1027 transitions. [2021-11-23 00:46:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:16,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:16,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:16,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:16,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:16,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:16,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:16,836 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:16,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:17,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:17,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:17,393 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:17,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:18,099 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:18,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:18,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:18,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 838 states and 1028 transitions. [2021-11-23 00:46:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1028 transitions. [2021-11-23 00:46:18,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:18,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:18,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:18,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:18,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:18,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:18,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:18,583 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:18,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:18,625 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:18,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:18,633 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:18,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:19,319 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:19,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:19,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:19,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 839 states and 1029 transitions. [2021-11-23 00:46:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1029 transitions. [2021-11-23 00:46:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:19,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:19,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:19,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:19,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:19,679 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:19,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:19,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:19,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:19,702 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:19,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:19,743 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:19,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:19,752 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:19,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:20,539 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:20,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:20,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:20,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 840 states and 1030 transitions. [2021-11-23 00:46:20,575 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1030 transitions. [2021-11-23 00:46:20,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:20,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:20,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:20,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:20,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:20,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:20,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:20,923 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:20,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:21,473 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:46:21,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:46:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:22,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 841 states and 1031 transitions. [2021-11-23 00:46:22,637 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1031 transitions. [2021-11-23 00:46:22,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:22,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:22,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:22,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:22,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:22,922 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:46:22,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:46:22,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:22,960 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:22,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:23,450 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:46:23,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:46:24,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:24,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:24,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 842 states and 1032 transitions. [2021-11-23 00:46:24,464 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1032 transitions. [2021-11-23 00:46:24,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:24,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:24,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:24,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:24,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:24,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:24,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:24,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:24,918 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:24,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:25,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:25,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:25,437 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:25,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:25,560 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:25,560 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 843 states and 1033 transitions. [2021-11-23 00:46:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1033 transitions. [2021-11-23 00:46:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:25,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:25,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:25,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:25,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:25,914 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:25,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:25,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:25,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:25,940 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:25,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:25,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:25,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:25,988 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:25,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:26,804 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:26,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:26,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 844 states and 1034 transitions. [2021-11-23 00:46:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1034 transitions. [2021-11-23 00:46:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:26,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:26,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:27,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:27,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:27,141 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:46:27,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:46:27,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:27,177 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:27,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:27,432 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:46:27,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:46:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 845 states and 1035 transitions. [2021-11-23 00:46:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1035 transitions. [2021-11-23 00:46:28,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:28,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:28,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:28,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:28,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:28,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:28,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:28,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:28,611 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:28,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:28,652 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:28,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:28,660 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:28,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:29,417 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:29,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 846 states and 1036 transitions. [2021-11-23 00:46:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1036 transitions. [2021-11-23 00:46:29,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:29,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:29,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:29,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:29,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:29,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:29,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:29,952 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:29,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:29,992 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:29,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:30,000 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:30,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:30,613 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:30,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:30,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 847 states and 1037 transitions. [2021-11-23 00:46:30,649 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1037 transitions. [2021-11-23 00:46:30,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:30,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:30,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:30,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:30,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:30,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:30,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:31,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:31,092 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:31,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:31,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:31,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:31,145 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:31,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:31,267 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:31,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:31,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:31,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 848 states and 1038 transitions. [2021-11-23 00:46:31,312 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1038 transitions. [2021-11-23 00:46:31,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:31,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:31,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:31,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:31,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:31,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:31,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:31,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:31,754 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:31,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:32,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:32,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:32,268 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:32,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:32,808 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:32,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:32,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 849 states and 1039 transitions. [2021-11-23 00:46:32,841 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1039 transitions. [2021-11-23 00:46:32,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:32,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:32,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:33,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:33,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:33,088 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:33,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:33,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:33,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:33,111 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:33,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:33,665 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:33,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:33,673 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:33,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:34,280 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:34,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 850 states and 1040 transitions. [2021-11-23 00:46:34,323 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1040 transitions. [2021-11-23 00:46:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:34,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:34,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:34,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:34,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:34,618 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:34,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:34,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:34,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:34,648 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:34,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:35,209 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:35,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:35,226 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:35,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:35,766 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:35,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:35,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:35,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 851 states and 1041 transitions. [2021-11-23 00:46:35,798 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1041 transitions. [2021-11-23 00:46:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:35,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:35,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:36,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:36,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:36,097 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:36,097 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:36,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:36,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:36,123 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:36,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:36,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:36,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:36,626 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:36,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:37,327 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:37,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:37,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:37,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 852 states and 1042 transitions. [2021-11-23 00:46:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1042 transitions. [2021-11-23 00:46:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:37,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:37,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:37,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:37,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:37,661 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:37,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:37,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:37,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:37,688 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:37,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:38,186 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:38,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:38,195 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:38,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:38,307 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:38,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:38,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:38,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 853 states and 1043 transitions. [2021-11-23 00:46:38,336 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1043 transitions. [2021-11-23 00:46:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:38,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:38,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:38,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:38,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:38,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:38,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:38,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:38,801 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:38,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:39,308 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:39,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:39,317 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:39,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:39,426 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:39,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:39,431 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:39,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:39,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 854 states and 1044 transitions. [2021-11-23 00:46:39,463 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1044 transitions. [2021-11-23 00:46:39,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:39,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:39,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:39,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:39,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:39,795 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:39,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:39,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:39,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:39,823 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:39,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:39,865 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:39,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:39,873 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:39,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:40,516 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:40,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:40,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 855 states and 1045 transitions. [2021-11-23 00:46:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1045 transitions. [2021-11-23 00:46:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:40,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:40,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:40,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:40,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:40,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:40,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:41,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:41,061 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:41,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:41,629 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:41,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:41,638 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:41,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:42,256 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:42,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 856 states and 1046 transitions. [2021-11-23 00:46:42,292 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1046 transitions. [2021-11-23 00:46:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:42,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:42,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:42,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:46:42,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:42,551 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:46:42,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:46:42,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:42,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:42,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:43,392 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:46:43,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:46:44,985 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:46:44,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:46:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:45,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 857 states and 1047 transitions. [2021-11-23 00:46:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1047 transitions. [2021-11-23 00:46:45,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:45,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:45,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:45,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:45,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:45,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:45,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:45,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:45,445 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:45,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:46,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:46,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:46,019 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:46,019 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:46,649 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:46,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:46,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:46,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:46,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 858 states and 1048 transitions. [2021-11-23 00:46:46,687 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1048 transitions. [2021-11-23 00:46:46,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:46,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:46,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:46,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:46,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:46,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:46,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:47,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:47,148 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:47,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:47,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:47,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:47,200 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:47,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:47,824 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:47,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:47,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:47,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 859 states and 1049 transitions. [2021-11-23 00:46:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1049 transitions. [2021-11-23 00:46:47,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:47,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:47,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:48,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:48,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:48,160 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:48,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:48,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:48,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:48,183 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:48,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:48,735 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:48,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:48,744 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:48,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:48,857 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:48,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 860 states and 1050 transitions. [2021-11-23 00:46:48,896 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1050 transitions. [2021-11-23 00:46:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:48,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:48,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:49,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:49,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:49,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:49,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:49,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:49,370 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:49,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:49,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:49,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:49,420 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:49,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:50,131 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:50,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 861 states and 1051 transitions. [2021-11-23 00:46:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1051 transitions. [2021-11-23 00:46:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:50,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:50,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:50,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:50,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:50,465 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:50,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:50,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:50,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:50,496 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:50,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:51,001 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:51,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:51,009 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:51,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:51,800 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:51,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 862 states and 1052 transitions. [2021-11-23 00:46:51,838 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1052 transitions. [2021-11-23 00:46:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:51,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:51,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:52,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:52,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:52,143 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:46:52,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:46:52,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:52,178 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:52,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:52,680 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:46:52,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:46:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:53,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 863 states and 1053 transitions. [2021-11-23 00:46:53,825 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1053 transitions. [2021-11-23 00:46:53,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:53,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:53,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:54,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:54,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:54,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:54,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:54,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:54,134 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:54,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:54,360 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:46:54,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:46:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:55,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:55,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 864 states and 1054 transitions. [2021-11-23 00:46:55,392 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1054 transitions. [2021-11-23 00:46:55,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:55,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:55,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:55,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 00:46:55,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:55,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:55,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:55,697 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-11-23 00:46:55,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:55,956 INFO L354 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2021-11-23 00:46:55,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 48 [2021-11-23 00:46:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:57,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 865 states and 1055 transitions. [2021-11-23 00:46:57,029 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1055 transitions. [2021-11-23 00:46:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:57,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:57,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:57,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:57,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:57,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:57,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:46:57,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:57,518 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:57,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:58,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:58,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:58,104 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:58,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:46:58,734 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:46:58,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:46:58,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:46:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:46:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 866 states and 1056 transitions. [2021-11-23 00:46:58,772 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1056 transitions. [2021-11-23 00:46:58,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:46:58,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:46:58,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:46:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:46:59,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:46:59,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:46:59,070 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:46:59,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:46:59,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:46:59,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:59,095 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:46:59,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:46:59,648 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:46:59,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:46:59,656 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:46:59,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:00,420 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:00,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:00,425 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:00,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:00,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 867 states and 1057 transitions. [2021-11-23 00:47:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1057 transitions. [2021-11-23 00:47:00,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:00,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:00,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:00,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:00,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:00,748 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:47:00,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:47:00,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:00,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:00,774 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:00,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:00,817 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:00,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:00,825 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:00,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:00,943 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:00,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:00,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:00,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:00,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 868 states and 1058 transitions. [2021-11-23 00:47:00,983 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1058 transitions. [2021-11-23 00:47:00,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:00,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:00,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:01,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:01,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:01,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:01,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:47:01,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:01,409 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:01,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:01,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:01,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:01,463 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:01,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:02,280 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:02,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 869 states and 1059 transitions. [2021-11-23 00:47:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1059 transitions. [2021-11-23 00:47:02,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:02,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:02,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:02,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:02,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:02,596 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:47:02,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:47:02,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:02,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:02,625 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:02,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:03,195 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:03,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:03,204 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:03,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:03,923 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:03,924 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 870 states and 1060 transitions. [2021-11-23 00:47:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1060 transitions. [2021-11-23 00:47:03,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:03,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:03,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:04,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 00:47:04,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:04,267 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-23 00:47:04,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 23 [2021-11-23 00:47:04,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:04,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:04,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:05,120 INFO L354 Elim1Store]: treesize reduction 106, result has 17.2 percent of original size [2021-11-23 00:47:05,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 48 [2021-11-23 00:47:06,570 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 00:47:06,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 44 [2021-11-23 00:47:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:06,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 871 states and 1061 transitions. [2021-11-23 00:47:06,602 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1061 transitions. [2021-11-23 00:47:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:06,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:06,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:06,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:06,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:06,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:06,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:47:07,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:07,050 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:07,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:07,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:07,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:07,577 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:07,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:08,299 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:08,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:08,303 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:08,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:08,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 872 states and 1062 transitions. [2021-11-23 00:47:08,337 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1062 transitions. [2021-11-23 00:47:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:08,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:08,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:08,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:08,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:08,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:08,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:47:08,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:08,775 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:08,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:09,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:09,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:09,306 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:09,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:09,856 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:09,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:09,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 873 states and 1063 transitions. [2021-11-23 00:47:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1063 transitions. [2021-11-23 00:47:09,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:09,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:09,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:10,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:10,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:10,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:10,196 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:47:10,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:47:10,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:10,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:10,219 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:10,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:10,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:10,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:10,741 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:10,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:11,571 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:11,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:11,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 874 states and 1064 transitions. [2021-11-23 00:47:11,605 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1064 transitions. [2021-11-23 00:47:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:11,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:11,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:11,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:11,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:11,877 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:47:11,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:47:11,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:11,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:11,905 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:11,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:12,487 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:12,496 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:12,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:13,263 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:13,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:13,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:13,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 875 states and 1065 transitions. [2021-11-23 00:47:13,289 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1065 transitions. [2021-11-23 00:47:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:13,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:13,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:13,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:13,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:13,614 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:47:13,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:47:13,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:13,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:13,640 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:13,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:13,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:13,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:13,692 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:13,692 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:14,261 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:14,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:14,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 876 states and 1066 transitions. [2021-11-23 00:47:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1066 transitions. [2021-11-23 00:47:14,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:14,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:14,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:14,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:14,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:14,592 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:47:14,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:47:14,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:14,618 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:14,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:15,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:15,152 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:15,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:15,925 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:15,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:15,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 877 states and 1067 transitions. [2021-11-23 00:47:15,958 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1067 transitions. [2021-11-23 00:47:15,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:15,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:15,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:16,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:16,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:16,289 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:47:16,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:47:16,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:16,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:16,318 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:16,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:16,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:16,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:16,907 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:16,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:17,574 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:17,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:17,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 878 states and 1068 transitions. [2021-11-23 00:47:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1068 transitions. [2021-11-23 00:47:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:17,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:17,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:17,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:17,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:17,926 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:47:17,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:47:17,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:17,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:17,951 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:17,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:18,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:18,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:18,543 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:18,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:19,373 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:19,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 879 states and 1069 transitions. [2021-11-23 00:47:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1069 transitions. [2021-11-23 00:47:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:19,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:19,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:19,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:19,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:19,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:19,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2021-11-23 00:47:19,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:19,849 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:19,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:20,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:20,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:20,373 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:20,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42 [2021-11-23 00:47:21,121 INFO L354 Elim1Store]: treesize reduction 13, result has 23.5 percent of original size [2021-11-23 00:47:21,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 38 [2021-11-23 00:47:21,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:47:21,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:47:21,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 880 states and 1070 transitions. [2021-11-23 00:47:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1070 transitions. [2021-11-23 00:47:21,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:47:21,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:47:21,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:47:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:47:21,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 00:47:21,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:47:21,491 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-23 00:47:21,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 19 [2021-11-23 00:47:21,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-23 00:47:21,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:21,517 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-23 00:47:21,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 32 [2021-11-23 00:47:22,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 00:47:22,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 00:47:22,103 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-23 00:47:22,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 42