./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp3.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_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/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_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/indp3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/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_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/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 e95db6aea8df845f112e7d303c04ce64867bd2e800c9279283322a7440e1498c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:05,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:05,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:05,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:05,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:05,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:05,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:05,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:05,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:05,661 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:05,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:05,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:05,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:05,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:05,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:05,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:05,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:05,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:05,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:05,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:05,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:05,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:05,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:05,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:05,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:05,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:05,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:05,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:05,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:05,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:05,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:05,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:05,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:05,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:05,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:05,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:05,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:05,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:05,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:05,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:05,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:05,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:17:05,733 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:05,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:05,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:17:05,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:17:05,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:05,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:05,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:05,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:05,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:17:05,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:05,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:05,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:17:05,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:05,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:17:05,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:05,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:17:05,739 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:05,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:17:05,739 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:05,740 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:05,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:05,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:05,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:05,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:05,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:17:05,741 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:17:05,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:17:05,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:17:05,742 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_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e95db6aea8df845f112e7d303c04ce64867bd2e800c9279283322a7440e1498c [2021-11-22 23:17:06,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:06,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:06,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:06,087 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:06,088 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:06,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/indp3.c [2021-11-22 23:17:06,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/data/07ab14929/f9385560d002409090b86655ed794138/FLAG5227c66b5 [2021-11-22 23:17:06,728 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:06,729 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/sv-benchmarks/c/array-fpi/indp3.c [2021-11-22 23:17:06,737 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/data/07ab14929/f9385560d002409090b86655ed794138/FLAG5227c66b5 [2021-11-22 23:17:07,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/data/07ab14929/f9385560d002409090b86655ed794138 [2021-11-22 23:17:07,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:07,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:07,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:07,108 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:07,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:07,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3cf6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07, skipping insertion in model container [2021-11-22 23:17:07,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:07,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:07,389 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_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/sv-benchmarks/c/array-fpi/indp3.c[588,601] [2021-11-22 23:17:07,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:07,442 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:07,456 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_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/sv-benchmarks/c/array-fpi/indp3.c[588,601] [2021-11-22 23:17:07,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:07,497 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:07,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07 WrapperNode [2021-11-22 23:17:07,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:07,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:07,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:07,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:07,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,562 INFO L137 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2021-11-22 23:17:07,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:07,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:07,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:07,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:07,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:07,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:07,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:07,618 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:07,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:07" (1/1) ... [2021-11-22 23:17:07,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:07,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:07,656 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:07,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c57423c6-0cd2-4f2a-9fbf-d8152b3fc33a/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:17:07,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:17:07,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:17:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:07,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:07,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:17:07,787 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:07,789 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:08,021 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:08,061 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:08,062 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-22 23:17:08,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:08 BoogieIcfgContainer [2021-11-22 23:17:08,064 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:17:08,065 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:17:08,066 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:17:08,076 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:17:08,077 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:08,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:17:08,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:08,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-22 23:17:08,175 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-22 23:17:08,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:17:08,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:08,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:08,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-22 23:17:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-22 23:17:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:17:08,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:08,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:08,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:17:08,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:08,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:08,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-22 23:17:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-22 23:17:08,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:08,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:08,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:08,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:17:08,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:08,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:08,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-22 23:17:08,940 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-22 23:17:08,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:08,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:08,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:08,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-22 23:17:08,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:17:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-22 23:17:09,072 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-22 23:17:09,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:09,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:09,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:17:09,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:09,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-22 23:17:09,242 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-22 23:17:09,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-11-22 23:17:09,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-22 23:17:09,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 26 states and 53 transitions. [2021-11-22 23:17:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 53 transitions. [2021-11-22 23:17:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:17:09,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:17:10,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:10,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 27 states and 53 transitions. [2021-11-22 23:17:10,898 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 53 transitions. [2021-11-22 23:17:10,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:17:10,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:17:10,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:11,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2021-11-22 23:17:11,708 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2021-11-22 23:17:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:17:11,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:17:11,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2021-11-22 23:17:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2021-11-22 23:17:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:12,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:17:12,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:17:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2021-11-22 23:17:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2021-11-22 23:17:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:12,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:12,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:32,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 19.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-22 23:17:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2021-11-22 23:17:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2021-11-22 23:17:33,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:33,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:33,300 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:17:33,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2021-11-22 23:17:33,773 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2021-11-22 23:17:33,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:33,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:17:33,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2021-11-22 23:17:33,885 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2021-11-22 23:17:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:33,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:33,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:35,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 44 states and 77 transitions. [2021-11-22 23:17:35,114 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 77 transitions. [2021-11-22 23:17:35,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:35,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:17:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 48 states and 84 transitions. [2021-11-22 23:17:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2021-11-22 23:17:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:17:35,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:17:35,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:35,755 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:17:36,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2021-11-22 23:17:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2021-11-22 23:17:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:17:36,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-22 23:17:36,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:36,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-11-22 23:17:36,428 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:17:36,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:36,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2021-11-22 23:17:36,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:36,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:36,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:36,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:36,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:36,753 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-22 23:17:36,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 133 [2021-11-22 23:17:36,793 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:36,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:36,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:36,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:36,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 46 [2021-11-22 23:17:36,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:36,982 INFO L354 Elim1Store]: treesize reduction 179, result has 15.2 percent of original size [2021-11-22 23:17:36,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 122 treesize of output 94 [2021-11-22 23:17:37,018 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:17:37,058 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-22 23:17:37,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 122 treesize of output 80 [2021-11-22 23:17:37,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:37,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:37,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:37,289 INFO L354 Elim1Store]: treesize reduction 116, result has 11.5 percent of original size [2021-11-22 23:17:37,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 116 treesize of output 138 [2021-11-22 23:17:37,349 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:17:37,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:17:37,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:37,385 INFO L354 Elim1Store]: treesize reduction 42, result has 6.7 percent of original size [2021-11-22 23:17:37,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 116 treesize of output 73 [2021-11-22 23:17:37,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:37,565 INFO L354 Elim1Store]: treesize reduction 179, result has 15.2 percent of original size [2021-11-22 23:17:37,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 122 treesize of output 94 [2021-11-22 23:17:37,604 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:17:37,622 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-22 23:17:37,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 114 treesize of output 66 [2021-11-22 23:17:37,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:37,816 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:17:37,817 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 25 [2021-11-22 23:17:37,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:37,914 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:17:37,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 25 [2021-11-22 23:17:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 57 states and 99 transitions. [2021-11-22 23:17:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 99 transitions. [2021-11-22 23:17:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:42,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,113 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:17:42,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:42,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 58 states and 100 transitions. [2021-11-22 23:17:42,287 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 100 transitions. [2021-11-22 23:17:42,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:42,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:42,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:42,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:42,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:17:43,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 103 transitions. [2021-11-22 23:17:43,339 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 103 transitions. [2021-11-22 23:17:43,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:43,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:43,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:17:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2021-11-22 23:17:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2021-11-22 23:17:44,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:44,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:17:44,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:17:46,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:46,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 65 states and 109 transitions. [2021-11-22 23:17:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 109 transitions. [2021-11-22 23:17:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:46,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:46,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:46,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:46,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:17:47,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:47,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 68 states and 112 transitions. [2021-11-22 23:17:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 112 transitions. [2021-11-22 23:17:47,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:47,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:47,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:47,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:17:47,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:48,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:17:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 73 states and 120 transitions. [2021-11-22 23:17:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 120 transitions. [2021-11-22 23:17:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:50,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:50,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:17:51,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:51,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 74 states and 120 transitions. [2021-11-22 23:17:51,000 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2021-11-22 23:17:51,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:51,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:51,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:51,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:51,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:52,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 78 states and 126 transitions. [2021-11-22 23:17:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2021-11-22 23:17:52,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:52,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:52,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:52,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:52,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:52,842 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:53,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 78 states and 123 transitions. [2021-11-22 23:17:53,498 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2021-11-22 23:17:53,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:53,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:53,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:17:53,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 124 transitions. [2021-11-22 23:17:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 124 transitions. [2021-11-22 23:17:53,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:53,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:53,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:54,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-22 23:17:54,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:54,139 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-22 23:17:54,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:54,411 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:17:54,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-11-22 23:17:54,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-22 23:17:54,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:54,966 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:17:54,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2021-11-22 23:17:55,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-22 23:17:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:55,442 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:17:55,442 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 27 treesize of output 22 [2021-11-22 23:17:55,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2021-11-22 23:17:55,672 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:59,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:59,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 84 states and 132 transitions. [2021-11-22 23:17:59,178 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 132 transitions. [2021-11-22 23:17:59,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:17:59,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:59,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:59,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-22 23:17:59,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:59,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-22 23:17:59,443 INFO L354 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2021-11-22 23:17:59,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 84 [2021-11-22 23:17:59,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:17:59,468 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13 [2021-11-22 23:17:59,671 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-22 23:17:59,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-22 23:18:00,067 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 23:18:00,068 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 5 case distinctions, treesize of input 41 treesize of output 35 [2021-11-22 23:18:00,344 INFO L354 Elim1Store]: treesize reduction 548, result has 10.0 percent of original size [2021-11-22 23:18:00,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 113 treesize of output 130 [2021-11-22 23:18:00,385 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:18:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:00,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:00,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:00,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:00,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:00,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 29 [2021-11-22 23:18:00,599 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-11-22 23:18:00,600 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 37 [2021-11-22 23:18:01,038 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 23:18:01,039 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 5 case distinctions, treesize of input 41 treesize of output 35 [2021-11-22 23:18:01,229 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-11-22 23:18:01,230 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 5 case distinctions, treesize of input 47 treesize of output 37 [2021-11-22 23:18:01,445 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-11-22 23:18:01,445 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 5 case distinctions, treesize of input 47 treesize of output 37 [2021-11-22 23:18:01,931 INFO L354 Elim1Store]: treesize reduction 538, result has 10.5 percent of original size [2021-11-22 23:18:01,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 111 treesize of output 130 [2021-11-22 23:18:01,951 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:18:01,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:01,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:01,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:01,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:01,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:01,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:01,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 51 [2021-11-22 23:18:02,347 INFO L354 Elim1Store]: treesize reduction 620, result has 11.0 percent of original size [2021-11-22 23:18:02,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 119 treesize of output 144 [2021-11-22 23:18:02,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:02,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 63 [2021-11-22 23:18:02,635 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-11-22 23:18:02,635 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 5 case distinctions, treesize of input 47 treesize of output 37 [2021-11-22 23:18:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:15,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 96 states and 156 transitions. [2021-11-22 23:18:15,339 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 156 transitions. [2021-11-22 23:18:15,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:18:15,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:15,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-22 23:18:15,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:15,523 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:18:15,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-11-22 23:18:15,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 108 [2021-11-22 23:18:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,607 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 20 [2021-11-22 23:18:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:15,965 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:18:15,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2021-11-22 23:18:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:16,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:16,541 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:18:16,541 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 41 treesize of output 35 [2021-11-22 23:18:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:16,805 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:18:16,805 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 47 treesize of output 37 [2021-11-22 23:18:17,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:18:17,077 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 47 treesize of output 37 [2021-11-22 23:18:17,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,708 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:17,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,713 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-22 23:18:17,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 113 treesize of output 154 [2021-11-22 23:18:17,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:17,775 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:18:17,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 114 treesize of output 64 [2021-11-22 23:18:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,070 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:18:18,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 37 [2021-11-22 23:18:18,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,343 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:18:18,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 37 [2021-11-22 23:18:18,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:18,968 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:18:18,968 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 43 treesize of output 37 [2021-11-22 23:18:19,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:19,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,266 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-22 23:18:19,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 111 treesize of output 151 [2021-11-22 23:18:19,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,320 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:18:19,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 49 [2021-11-22 23:18:19,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:18:19,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-22 23:18:19,608 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 47 treesize of output 37 [2021-11-22 23:18:20,183 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:37,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 107 states and 176 transitions. [2021-11-22 23:18:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 176 transitions. [2021-11-22 23:18:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:18:37,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:18:37,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 108 states and 177 transitions. [2021-11-22 23:18:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2021-11-22 23:18:37,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:18:37,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:18:37,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:18:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 112 states and 181 transitions. [2021-11-22 23:18:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 181 transitions. [2021-11-22 23:18:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:18:41,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:18:41,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:18:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:47,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 116 states and 189 transitions. [2021-11-22 23:18:47,266 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 189 transitions. [2021-11-22 23:18:47,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:18:47,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:47,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:47,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-22 23:18:47,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:18:54,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:54,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 96 states and 161 transitions. [2021-11-22 23:18:54,757 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 161 transitions. [2021-11-22 23:18:54,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:18:54,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:54,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:18:54,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:19:06,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 97 states and 162 transitions. [2021-11-22 23:19:06,636 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 162 transitions. [2021-11-22 23:19:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:06,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:06,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:06,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:19:06,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:06,820 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:19:17,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:17,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 98 states and 163 transitions. [2021-11-22 23:19:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 163 transitions. [2021-11-22 23:19:17,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:17,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:17,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:17,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:19:17,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:19:24,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 99 states and 164 transitions. [2021-11-22 23:19:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 164 transitions. [2021-11-22 23:19:24,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:24,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:24,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:24,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:19:24,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:27,831 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:19:37,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:37,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 105 states and 175 transitions. [2021-11-22 23:19:37,382 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 175 transitions. [2021-11-22 23:19:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:19:37,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:37,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:37,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:19:37,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:19:49,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 112 states and 186 transitions. [2021-11-22 23:19:49,040 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 186 transitions. [2021-11-22 23:19:49,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:19:49,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:19:49,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:49,128 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:19:51,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 113 states and 186 transitions. [2021-11-22 23:19:51,872 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 186 transitions. [2021-11-22 23:19:51,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:19:51,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:51,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:51,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:19:51,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:51,953 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:20:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 117 states and 193 transitions. [2021-11-22 23:20:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 193 transitions. [2021-11-22 23:20:03,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:03,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:03,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:03,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:20:03,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:03,776 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:20:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 119 states and 195 transitions. [2021-11-22 23:20:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 195 transitions. [2021-11-22 23:20:14,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:14,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:14,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:14,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:20:14,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:20:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:19,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 115 states and 187 transitions. [2021-11-22 23:20:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 187 transitions. [2021-11-22 23:20:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:19,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:19,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:19,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:20:19,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:20:21,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:21,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 116 states and 188 transitions. [2021-11-22 23:20:21,407 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 188 transitions. [2021-11-22 23:20:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:21,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:21,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:21,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-22 23:20:21,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:21,505 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:20:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 117 states and 189 transitions. [2021-11-22 23:20:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2021-11-22 23:20:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:20:35,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:35,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:35,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-22 23:20:35,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:36,417 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:20:36,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-11-22 23:20:37,714 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-22 23:20:37,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 22 [2021-11-22 23:20:42,293 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 23:20:42,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:20:44,157 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-22 23:20:44,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 27 [2021-11-22 23:20:45,991 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-22 23:20:45,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 27 [2021-11-22 23:20:50,631 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-22 23:20:50,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 32 [2021-11-22 23:20:52,515 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-22 23:20:52,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 27 [2021-11-22 23:20:53,974 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-22 23:20:53,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 27 [2021-11-22 23:20:58,798 INFO L354 Elim1Store]: treesize reduction 80, result has 19.2 percent of original size [2021-11-22 23:20:58,798 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 5 case distinctions, treesize of input 36 treesize of output 34 [2021-11-22 23:21:00,864 INFO L354 Elim1Store]: treesize reduction 417, result has 10.1 percent of original size [2021-11-22 23:21:00,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 104 treesize of output 111 [2021-11-22 23:21:00,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:21:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:21:00,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:21:00,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 45 [2021-11-22 23:21:02,677 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-22 23:21:02,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 27 [2021-11-22 23:21:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:22,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:22,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 122 states and 200 transitions. [2021-11-22 23:22:22,364 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 200 transitions. [2021-11-22 23:22:22,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:22:22,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:22,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:22,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-22 23:22:22,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:22,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-22 23:22:22,679 INFO L354 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2021-11-22 23:22:22,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 84 [2021-11-22 23:22:22,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:22,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 17 [2021-11-22 23:22:22,912 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-22 23:22:22,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2021-11-22 23:22:25,359 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-22 23:22:25,360 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 39 treesize of output 44 [2021-11-22 23:22:30,883 INFO L354 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2021-11-22 23:22:30,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 50 treesize of output 47 [2021-11-22 23:22:33,210 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:22:33,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:22:35,453 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:22:35,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:22:37,979 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:22:37,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:22:43,957 INFO L354 Elim1Store]: treesize reduction 689, result has 11.9 percent of original size [2021-11-22 23:22:43,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 122 treesize of output 165 [2021-11-22 23:22:44,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:22:44,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:44,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:44,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:44,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:44,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:44,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:44,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:44,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:44,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:44,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:44,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 64 [2021-11-22 23:22:46,913 INFO L354 Elim1Store]: treesize reduction 785, result has 11.4 percent of original size [2021-11-22 23:22:46,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 132 treesize of output 175 [2021-11-22 23:22:47,032 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:22:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:47,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:47,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:47,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:47,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:22:47,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 62 [2021-11-22 23:22:49,004 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:22:49,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:22:51,471 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:22:51,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:22:57,596 INFO L354 Elim1Store]: treesize reduction 138, result has 16.9 percent of original size [2021-11-22 23:22:57,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 49 [2021-11-22 23:23:00,318 INFO L354 Elim1Store]: treesize reduction 693, result has 10.2 percent of original size [2021-11-22 23:23:00,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 120 treesize of output 149 [2021-11-22 23:23:00,429 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:23:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:00,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:00,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:00,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:00,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:00,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:00,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:00,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:00,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:00,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 46 [2021-11-22 23:23:03,280 INFO L354 Elim1Store]: treesize reduction 759, result has 10.7 percent of original size [2021-11-22 23:23:03,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 126 treesize of output 161 [2021-11-22 23:23:03,297 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:23:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:03,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:03,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:03,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:03,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:03,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:03,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:03,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:23:03,430 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 59 [2021-11-22 23:23:05,503 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:23:05,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:23:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:45,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:45,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 131 states and 220 transitions. [2021-11-22 23:25:45,560 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 220 transitions. [2021-11-22 23:25:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:25:45,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:45,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:45,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-22 23:25:45,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:25:45,839 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:25:45,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 21 [2021-11-22 23:25:46,172 INFO L354 Elim1Store]: treesize reduction 78, result has 16.1 percent of original size [2021-11-22 23:25:46,172 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 84 [2021-11-22 23:25:46,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:46,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 20 [2021-11-22 23:25:46,362 INFO L354 Elim1Store]: treesize reduction 220, result has 17.0 percent of original size [2021-11-22 23:25:46,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 99 treesize of output 125 [2021-11-22 23:25:46,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:46,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:46,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:46,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 43 [2021-11-22 23:25:49,346 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-22 23:25:49,346 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 39 treesize of output 44 [2021-11-22 23:25:49,755 INFO L354 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2021-11-22 23:25:49,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 50 treesize of output 47 [2021-11-22 23:25:49,999 INFO L354 Elim1Store]: treesize reduction 703, result has 10.1 percent of original size [2021-11-22 23:25:49,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 122 treesize of output 151 [2021-11-22 23:25:50,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:50,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 51 [2021-11-22 23:25:53,207 INFO L354 Elim1Store]: treesize reduction 691, result has 11.6 percent of original size [2021-11-22 23:25:53,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 122 treesize of output 163 [2021-11-22 23:25:53,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:25:53,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:53,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 66 [2021-11-22 23:25:56,365 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:25:56,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:25:56,741 INFO L354 Elim1Store]: treesize reduction 701, result has 10.4 percent of original size [2021-11-22 23:25:56,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 122 treesize of output 153 [2021-11-22 23:25:56,772 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:25:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:56,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 32 [2021-11-22 23:25:57,085 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:25:57,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:25:59,803 INFO L354 Elim1Store]: treesize reduction 851, result has 11.7 percent of original size [2021-11-22 23:25:59,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 140 treesize of output 189 [2021-11-22 23:25:59,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:25:59,934 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 68 [2021-11-22 23:26:02,693 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:26:02,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:26:02,943 INFO L354 Elim1Store]: treesize reduction 138, result has 16.9 percent of original size [2021-11-22 23:26:02,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 52 treesize of output 49 [2021-11-22 23:26:03,090 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:26:03,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:26:06,553 INFO L354 Elim1Store]: treesize reduction 747, result has 12.1 percent of original size [2021-11-22 23:26:06,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 25 case distinctions, treesize of input 126 treesize of output 173 [2021-11-22 23:26:06,758 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-22 23:26:06,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,948 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-22 23:26:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-22 23:26:06,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 73 [2021-11-22 23:26:07,140 INFO L354 Elim1Store]: treesize reduction 144, result has 15.3 percent of original size [2021-11-22 23:26:07,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 56 treesize of output 49 [2021-11-22 23:26:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 138 states and 237 transitions. [2021-11-22 23:27:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 237 transitions. [2021-11-22 23:27:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:27:20,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:20,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:20,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:27:20,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:27:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:23,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 139 states and 238 transitions. [2021-11-22 23:27:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 238 transitions. [2021-11-22 23:27:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:27:23,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:23,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:23,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:27:23,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:25,979 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:27:55,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:55,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 144 states and 243 transitions. [2021-11-22 23:27:55,998 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 243 transitions. [2021-11-22 23:27:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:27:55,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:55,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:56,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:27:56,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:27:58,488 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:28:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:55,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 149 states and 248 transitions. [2021-11-22 23:28:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 248 transitions. [2021-11-22 23:28:55,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:28:55,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:55,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:55,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:28:55,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:28:57,930 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:29:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 154 states and 258 transitions. [2021-11-22 23:29:38,986 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 258 transitions. [2021-11-22 23:29:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:29:38,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:38,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:39,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:29:39,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:29:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:30:05,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 156 states and 261 transitions. [2021-11-22 23:30:05,596 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 261 transitions. [2021-11-22 23:30:05,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:30:05,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:05,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:05,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-22 23:30:05,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:30:30,527 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.