./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp1.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_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/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_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/indp1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/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_3f8794af-f10e-4649-b158-6594ff34eae8/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 9d155444443faf1f00dab96cdb68719b0ba1edb1979e11b3fea5d29001e4f12f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:20:58,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:20:58,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:20:58,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:20:58,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:20:58,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:20:58,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:20:58,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:20:58,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:20:58,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:20:58,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:20:58,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:20:58,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:20:58,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:20:58,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:20:58,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:20:58,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:20:58,790 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:20:58,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:20:58,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:20:58,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:20:58,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:20:58,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:20:58,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:20:58,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:20:58,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:20:58,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:20:58,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:20:58,816 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:20:58,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:20:58,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:20:58,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:20:58,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:20:58,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:20:58,823 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:20:58,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:20:58,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:20:58,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:20:58,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:20:58,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:20:58,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:20:58,829 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:20:58,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:20:58,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:20:58,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:20:58,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:20:58,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:20:58,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:20:58,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:20:58,885 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:20:58,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:20:58,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:20:58,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:20:58,895 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:20:58,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:20:58,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:20:58,896 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:20:58,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:20:58,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:20:58,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:20:58,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:20:58,897 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:20:58,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:20:58,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:20:58,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:20:58,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:20:58,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:20:58,898 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:20:58,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:20:58,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:20:58,899 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_3f8794af-f10e-4649-b158-6594ff34eae8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d155444443faf1f00dab96cdb68719b0ba1edb1979e11b3fea5d29001e4f12f [2021-11-23 01:20:59,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:20:59,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:20:59,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:20:59,286 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:20:59,287 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:20:59,289 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/indp1.c [2021-11-23 01:20:59,387 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/data/b974bb5af/7b9781d899fb494b994ba3e5b526fa4e/FLAGfca099359 [2021-11-23 01:20:59,873 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:20:59,874 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/sv-benchmarks/c/array-fpi/indp1.c [2021-11-23 01:20:59,885 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/data/b974bb5af/7b9781d899fb494b994ba3e5b526fa4e/FLAGfca099359 [2021-11-23 01:21:00,267 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/data/b974bb5af/7b9781d899fb494b994ba3e5b526fa4e [2021-11-23 01:21:00,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:21:00,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:21:00,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:21:00,274 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:21:00,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:21:00,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56cad3d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00, skipping insertion in model container [2021-11-23 01:21:00,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:21:00,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:21:00,502 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_3f8794af-f10e-4649-b158-6594ff34eae8/sv-benchmarks/c/array-fpi/indp1.c[588,601] [2021-11-23 01:21:00,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:21:00,532 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:21:00,543 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_3f8794af-f10e-4649-b158-6594ff34eae8/sv-benchmarks/c/array-fpi/indp1.c[588,601] [2021-11-23 01:21:00,551 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:21:00,566 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:21:00,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00 WrapperNode [2021-11-23 01:21:00,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:21:00,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:21:00,568 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:21:00,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:21:00,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,608 INFO L137 Inliner]: procedures = 16, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2021-11-23 01:21:00,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:21:00,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:21:00,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:21:00,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:21:00,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:21:00,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:21:00,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:21:00,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:21:00,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:21:00" (1/1) ... [2021-11-23 01:21:00,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:21:00,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:21:00,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:21:00,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f8794af-f10e-4649-b158-6594ff34eae8/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:21:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:21:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:21:00,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:21:00,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:21:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:21:00,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:21:00,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:21:00,848 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:21:00,850 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:21:01,036 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:21:01,082 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:21:01,083 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:21:01,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:01 BoogieIcfgContainer [2021-11-23 01:21:01,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:21:01,087 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:21:01,088 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:21:01,100 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:21:01,100 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:21:01" (1/1) ... [2021-11-23 01:21:01,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:21:01,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:01,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-23 01:21:01,177 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-23 01:21:01,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:21:01,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:01,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:01,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:01,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 01:21:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 01:21:01,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:21:01,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:01,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:01,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:21:01,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:01,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:01,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:21:01,973 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:21:01,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:21:01,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:01,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:02,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:21:02,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:02,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 01:21:02,163 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 01:21:02,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:21:02,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:02,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:02,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:21:02,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:02,298 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 [2021-11-23 01:21:02,363 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 [2021-11-23 01:21:02,396 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 [2021-11-23 01:21:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:03,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 22 states and 43 transitions. [2021-11-23 01:21:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 43 transitions. [2021-11-23 01:21:03,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:21:03,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:03,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:03,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:21:03,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:03,419 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:04,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2021-11-23 01:21:04,199 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2021-11-23 01:21:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:21:04,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:04,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:04,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:21:04,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:05,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2021-11-23 01:21:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2021-11-23 01:21:05,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:21:05,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:05,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:05,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:21:05,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:05,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:05,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 29 states and 51 transitions. [2021-11-23 01:21:05,462 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 51 transitions. [2021-11-23 01:21:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:21:05,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:05,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:05,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:21:05,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:21:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2021-11-23 01:21:05,988 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2021-11-23 01:21:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:21:05,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:05,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:06,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:21:06,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:06,255 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:07,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:07,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 59 transitions. [2021-11-23 01:21:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 59 transitions. [2021-11-23 01:21:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:21:07,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:07,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:07,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:21:07,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:07,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 01:21:07,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:07,432 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 [2021-11-23 01:21:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:07,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:07,633 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:21:07,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:07,640 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-23 01:21:07,641 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 118 treesize of output 154 [2021-11-23 01:21:07,698 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:21:07,745 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:21:07,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:07,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:07,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:07,753 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:21:07,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 60 [2021-11-23 01:21:07,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:07,871 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:21:07,872 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select 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 [2021-11-23 01:21:08,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:08,062 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:21:08,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2021-11-23 01:21:08,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:08,187 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:21:08,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 01:21:08,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2021-11-23 01:21:11,235 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2021-11-23 01:21:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:21:11,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:11,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:11,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:21:11,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:11,620 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:21:13,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2021-11-23 01:21:13,132 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2021-11-23 01:21:13,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:21:13,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:13,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:13,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:21:13,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:13,236 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:21:14,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:14,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2021-11-23 01:21:14,028 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2021-11-23 01:21:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:21:14,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:14,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:14,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:21:14,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:15,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2021-11-23 01:21:15,313 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2021-11-23 01:21:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:21:15,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:15,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:15,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:21:15,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:15,790 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:17,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:17,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 54 states and 95 transitions. [2021-11-23 01:21:17,494 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2021-11-23 01:21:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:21:17,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:17,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:17,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:21:17,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:21:17,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:17,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 55 states and 96 transitions. [2021-11-23 01:21:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 96 transitions. [2021-11-23 01:21:17,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:17,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:17,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:18,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:21:18,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:18,152 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 [2021-11-23 01:21:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,409 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:21:18,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 127 [2021-11-23 01:21:18,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,459 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 90 treesize of output 59 [2021-11-23 01:21:18,586 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 [2021-11-23 01:21:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,876 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:21:18,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 101 treesize of output 117 [2021-11-23 01:21:18,909 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:21:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:18,945 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 76 treesize of output 45 [2021-11-23 01:21:19,076 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 [2021-11-23 01:21:19,475 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:22,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:22,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 60 states and 104 transitions. [2021-11-23 01:21:22,335 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 104 transitions. [2021-11-23 01:21:22,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:22,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:22,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:22,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:21:22,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:22,516 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:23,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:23,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 61 states and 105 transitions. [2021-11-23 01:21:23,051 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 105 transitions. [2021-11-23 01:21:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:23,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:23,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:23,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:21:23,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:24,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 105 transitions. [2021-11-23 01:21:24,660 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 105 transitions. [2021-11-23 01:21:24,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:24,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:24,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:24,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:21:24,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:24,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17 [2021-11-23 01:21:24,781 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:21:24,921 INFO L354 Elim1Store]: treesize reduction 118, result has 20.8 percent of original size [2021-11-23 01:21:24,922 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 84 treesize of output 100 [2021-11-23 01:21:24,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:24,963 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 16 [2021-11-23 01:21:25,222 INFO L354 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2021-11-23 01:21:25,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-23 01:21:25,611 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 01:21:25,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 01:21:25,998 INFO L354 Elim1Store]: treesize reduction 604, result has 9.2 percent of original size [2021-11-23 01:21:25,999 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 127 treesize of output 144 [2021-11-23 01:21:26,061 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:21:26,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:26,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:26,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:26,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:26,110 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 78 treesize of output 43 [2021-11-23 01:21:26,385 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-11-23 01:21:26,386 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 [2021-11-23 01:21:26,777 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-23 01:21:26,778 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 [2021-11-23 01:21:27,012 INFO L354 Elim1Store]: treesize reduction 564, result has 9.8 percent of original size [2021-11-23 01:21:27,012 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 117 treesize of output 134 [2021-11-23 01:21:27,047 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:21:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:27,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:27,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:27,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:27,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:27,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:27,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 31 [2021-11-23 01:21:27,309 INFO L354 Elim1Store]: treesize reduction 82, result has 17.2 percent of original size [2021-11-23 01:21:27,309 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 [2021-11-23 01:21:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:33,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:33,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 70 states and 127 transitions. [2021-11-23 01:21:33,492 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 127 transitions. [2021-11-23 01:21:33,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:21:33,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:33,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:33,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:21:33,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:21:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 75 states and 134 transitions. [2021-11-23 01:21:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 134 transitions. [2021-11-23 01:21:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:37,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:37,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:37,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:21:37,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:21:38,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 76 states and 134 transitions. [2021-11-23 01:21:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 134 transitions. [2021-11-23 01:21:38,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:38,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:38,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:38,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:21:38,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:21:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 80 states and 141 transitions. [2021-11-23 01:21:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 141 transitions. [2021-11-23 01:21:41,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:21:41,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:41,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:41,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:21:41,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:21:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 83 states and 145 transitions. [2021-11-23 01:21:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 145 transitions. [2021-11-23 01:21:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:43,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:43,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:43,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:21:43,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:21:48,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 150 transitions. [2021-11-23 01:21:48,501 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 150 transitions. [2021-11-23 01:21:48,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:21:48,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:48,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:48,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:21:48,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:21:49,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2021-11-23 01:21:49,136 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2021-11-23 01:21:49,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:49,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:49,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:49,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:21:49,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:21:53,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 95 states and 162 transitions. [2021-11-23 01:21:53,683 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 162 transitions. [2021-11-23 01:21:53,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:21:53,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:53,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:53,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:21:53,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:21:53,965 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 [2021-11-23 01:21:54,211 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-23 01:21:54,211 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 [2021-11-23 01:21:55,009 INFO L354 Elim1Store]: treesize reduction 444, result has 13.3 percent of original size [2021-11-23 01:21:55,010 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 120 treesize of output 148 [2021-11-23 01:21:55,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:55,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:55,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:55,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 60 [2021-11-23 01:21:55,383 INFO L354 Elim1Store]: treesize reduction 465, result has 9.2 percent of original size [2021-11-23 01:21:55,383 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 120 treesize of output 127 [2021-11-23 01:21:55,419 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:21:55,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:55,441 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 87 treesize of output 56 [2021-11-23 01:21:55,744 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-23 01:21:55,745 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 [2021-11-23 01:21:56,579 INFO L354 Elim1Store]: treesize reduction 414, result has 14.1 percent of original size [2021-11-23 01:21:56,579 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 110 treesize of output 138 [2021-11-23 01:21:56,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:56,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:56,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:56,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:56,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:21:56,643 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 95 treesize of output 58 [2021-11-23 01:21:57,083 INFO L354 Elim1Store]: treesize reduction 435, result has 9.8 percent of original size [2021-11-23 01:21:57,084 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 110 treesize of output 117 [2021-11-23 01:21:57,109 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:21:57,162 INFO L354 Elim1Store]: treesize reduction 50, result has 2.0 percent of original size [2021-11-23 01:21:57,163 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 55 [2021-11-23 01:21:57,495 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-23 01:21:57,495 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 [2021-11-23 01:21:58,607 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:08,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 100 states and 173 transitions. [2021-11-23 01:22:08,664 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 173 transitions. [2021-11-23 01:22:08,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:08,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:08,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:08,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:22:08,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:10,236 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:22:12,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 93 states and 160 transitions. [2021-11-23 01:22:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 160 transitions. [2021-11-23 01:22:12,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:12,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:12,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:12,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:22:12,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:22:13,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 161 transitions. [2021-11-23 01:22:13,998 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 161 transitions. [2021-11-23 01:22:13,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:13,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:13,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:14,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:22:14,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:22:19,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:19,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 99 states and 167 transitions. [2021-11-23 01:22:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 167 transitions. [2021-11-23 01:22:19,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:19,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:19,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:19,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:22:19,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:19,891 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:22:19,894 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 21 treesize of output 17 [2021-11-23 01:22:19,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:19,990 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 [2021-11-23 01:22:20,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:20,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:20,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:20,310 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:22:20,310 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 [2021-11-23 01:22:20,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:20,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:20,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:20,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:20,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:20,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:20,654 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:22:20,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2021-11-23 01:22:21,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,356 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:22:21,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 47 [2021-11-23 01:22:21,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:21,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,763 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-23 01:22:21,763 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 136 treesize of output 196 [2021-11-23 01:22:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,797 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:21,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:21,802 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 [2021-11-23 01:22:22,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,237 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:22:22,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 49 [2021-11-23 01:22:22,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:22,689 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:22:22,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 49 [2021-11-23 01:22:23,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:23,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,403 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-23 01:22:23,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 126 treesize of output 181 [2021-11-23 01:22:23,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:22:23,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:23,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:23,504 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 129 treesize of output 70 [2021-11-23 01:22:24,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,021 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:24,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,042 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-23 01:22:24,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 136 treesize of output 199 [2021-11-23 01:22:24,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:24,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,091 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 131 treesize of output 76 [2021-11-23 01:22:24,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:24,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,562 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-23 01:22:24,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 144 treesize of output 213 [2021-11-23 01:22:24,655 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:22:24,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:22:24,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:24,724 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 136 treesize of output 69 [2021-11-23 01:22:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:25,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:25,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:25,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:25,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:25,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:22:25,115 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-23 01:22:25,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 49 [2021-11-23 01:22:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 109 states and 193 transitions. [2021-11-23 01:22:49,951 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 193 transitions. [2021-11-23 01:22:49,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:49,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:49,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:49,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:22:49,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:50,053 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:22:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 102 states and 184 transitions. [2021-11-23 01:22:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 184 transitions. [2021-11-23 01:22:51,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:51,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:51,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:51,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:22:51,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:22:55,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:55,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 103 states and 185 transitions. [2021-11-23 01:22:55,619 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 185 transitions. [2021-11-23 01:22:55,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:55,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:55,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:55,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:22:55,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:23:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 109 states and 193 transitions. [2021-11-23 01:23:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 193 transitions. [2021-11-23 01:23:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:10,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:10,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:10,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:23:10,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:23:13,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:13,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 110 states and 193 transitions. [2021-11-23 01:23:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 193 transitions. [2021-11-23 01:23:13,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:13,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:13,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:13,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:23:13,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:14,327 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:23:23,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 201 transitions. [2021-11-23 01:23:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 201 transitions. [2021-11-23 01:23:23,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:23,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:23,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:23,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:23:23,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:23:30,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:30,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 116 states and 203 transitions. [2021-11-23 01:23:30,696 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 203 transitions. [2021-11-23 01:23:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:30,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:30,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:30,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:23:30,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:30,781 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:23:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 116 states and 202 transitions. [2021-11-23 01:23:36,466 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 202 transitions. [2021-11-23 01:23:36,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:23:36,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:36,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:36,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:23:36,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:23:55,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 121 states and 208 transitions. [2021-11-23 01:23:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 208 transitions. [2021-11-23 01:23:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:23:55,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:23:55,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:23:57,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 122 states and 209 transitions. [2021-11-23 01:23:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 209 transitions. [2021-11-23 01:23:57,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:23:57,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:57,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:57,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 01:23:57,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:57,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-23 01:23:59,285 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-23 01:23:59,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-23 01:23:59,369 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 01:23:59,369 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 60 [2021-11-23 01:24:00,197 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-23 01:24:00,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:24:00,793 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 [2021-11-23 01:24:02,852 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-23 01:24:02,852 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 25 treesize of output 20 [2021-11-23 01:24:03,729 INFO L354 Elim1Store]: treesize reduction 277, result has 15.3 percent of original size [2021-11-23 01:24:03,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 101 treesize of output 117 [2021-11-23 01:24:03,742 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:24:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:03,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:03,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:03,809 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 74 treesize of output 43 [2021-11-23 01:24:04,622 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 [2021-11-23 01:24:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:56,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:56,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 129 states and 224 transitions. [2021-11-23 01:24:56,075 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 224 transitions. [2021-11-23 01:24:56,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:24:56,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:56,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:56,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:24:56,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:56,400 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:24:56,403 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 21 treesize of output 17 [2021-11-23 01:24:57,191 INFO L354 Elim1Store]: treesize reduction 82, result has 18.8 percent of original size [2021-11-23 01:24:57,191 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 70 treesize of output 80 [2021-11-23 01:24:57,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:24:57,249 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 15 [2021-11-23 01:24:58,774 INFO L354 Elim1Store]: treesize reduction 64, result has 22.9 percent of original size [2021-11-23 01:24:58,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 34 [2021-11-23 01:25:02,184 INFO L354 Elim1Store]: treesize reduction 603, result has 12.5 percent of original size [2021-11-23 01:25:02,184 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 129 treesize of output 169 [2021-11-23 01:25:02,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:02,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:02,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:02,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:02,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:02,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:02,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:02,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:02,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:02,387 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 134 treesize of output 79 [2021-11-23 01:25:03,479 INFO L354 Elim1Store]: treesize reduction 92, result has 17.1 percent of original size [2021-11-23 01:25:03,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 39 [2021-11-23 01:25:04,498 INFO L354 Elim1Store]: treesize reduction 92, result has 17.1 percent of original size [2021-11-23 01:25:04,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 39 [2021-11-23 01:25:06,178 INFO L354 Elim1Store]: treesize reduction 92, result has 17.1 percent of original size [2021-11-23 01:25:06,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 39 [2021-11-23 01:25:10,303 INFO L354 Elim1Store]: treesize reduction 132, result has 17.5 percent of original size [2021-11-23 01:25:10,303 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 43 treesize of output 44 [2021-11-23 01:25:11,888 INFO L354 Elim1Store]: treesize reduction 92, result has 17.1 percent of original size [2021-11-23 01:25:11,888 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 49 treesize of output 39 [2021-11-23 01:25:13,653 INFO L354 Elim1Store]: treesize reduction 92, result has 17.1 percent of original size [2021-11-23 01:25:13,653 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 49 treesize of output 39 [2021-11-23 01:25:14,967 INFO L354 Elim1Store]: treesize reduction 92, result has 17.1 percent of original size [2021-11-23 01:25:14,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 39 [2021-11-23 01:25:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 130 states and 227 transitions. [2021-11-23 01:25:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 227 transitions. [2021-11-23 01:25:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:25:55,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:55,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:55,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:25:55,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:55,224 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 [2021-11-23 01:25:55,314 INFO L354 Elim1Store]: treesize reduction 297, result has 14.4 percent of original size [2021-11-23 01:25:55,315 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 111 treesize of output 127 [2021-11-23 01:25:55,363 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:25:55,407 INFO L354 Elim1Store]: treesize reduction 62, result has 1.6 percent of original size [2021-11-23 01:25:55,408 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 99 treesize of output 62 [2021-11-23 01:25:55,453 INFO L354 Elim1Store]: treesize reduction 41, result has 18.0 percent of original size [2021-11-23 01:25:55,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 24 [2021-11-23 01:25:55,463 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 [2021-11-23 01:25:55,521 INFO L354 Elim1Store]: treesize reduction 33, result has 21.4 percent of original size [2021-11-23 01:25:55,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 20 [2021-11-23 01:25:55,614 INFO L354 Elim1Store]: treesize reduction 277, result has 15.3 percent of original size [2021-11-23 01:25:55,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 101 treesize of output 117 [2021-11-23 01:25:55,679 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:25:55,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:55,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:55,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:25:55,745 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 72 treesize of output 41 [2021-11-23 01:25:55,763 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 [2021-11-23 01:25:57,870 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:17,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:17,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 133 states and 232 transitions. [2021-11-23 01:26:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 232 transitions. [2021-11-23 01:26:17,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:26:17,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:17,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:17,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:26:17,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:26:26,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:26,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 130 states and 228 transitions. [2021-11-23 01:26:26,074 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 228 transitions. [2021-11-23 01:26:26,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:26:26,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:26,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:26,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:26,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:26:26,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:26:47,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:47,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 131 states and 229 transitions. [2021-11-23 01:26:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 229 transitions. [2021-11-23 01:26:47,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:26:47,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:47,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:47,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:26:47,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:26:57,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:57,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 132 states and 230 transitions. [2021-11-23 01:26:57,626 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 230 transitions. [2021-11-23 01:26:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:26:57,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:57,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:57,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:26:57,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:27:21,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:21,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 133 states and 231 transitions. [2021-11-23 01:27:21,512 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 231 transitions. [2021-11-23 01:27:21,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:27:21,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:21,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:23,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 01:27:23,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:23,318 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:27:23,322 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 21 treesize of output 17 [2021-11-23 01:27:23,378 INFO L354 Elim1Store]: treesize reduction 118, result has 20.8 percent of original size [2021-11-23 01:27:23,379 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 84 treesize of output 100 [2021-11-23 01:27:23,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:23,449 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 16 [2021-11-23 01:27:23,585 INFO L354 Elim1Store]: treesize reduction 260, result has 19.0 percent of original size [2021-11-23 01:27:23,585 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 107 treesize of output 141 [2021-11-23 01:27:23,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:23,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:23,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:23,637 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 68 treesize of output 31 [2021-11-23 01:27:26,317 INFO L354 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2021-11-23 01:27:26,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 [2021-11-23 01:27:28,072 INFO L354 Elim1Store]: treesize reduction 164, result has 17.6 percent of original size [2021-11-23 01:27:28,072 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 10 case distinctions, treesize of input 48 treesize of output 56 [2021-11-23 01:27:33,566 INFO L354 Elim1Store]: treesize reduction 200, result has 15.6 percent of original size [2021-11-23 01:27:33,567 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 59 treesize of output 59 [2021-11-23 01:27:35,873 INFO L354 Elim1Store]: treesize reduction 218, result has 13.8 percent of original size [2021-11-23 01:27:35,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 65 treesize of output 61 [2021-11-23 01:27:37,937 INFO L354 Elim1Store]: treesize reduction 954, result has 9.2 percent of original size [2021-11-23 01:27:37,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 145 treesize of output 186 [2021-11-23 01:27:38,031 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:27:38,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:38,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 78 [2021-11-23 01:27:40,670 INFO L354 Elim1Store]: treesize reduction 1014, result has 10.7 percent of original size [2021-11-23 01:27:40,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 159 treesize of output 218 [2021-11-23 01:27:40,749 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:27:40,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,855 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:40,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:40,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 167 treesize of output 96 [2021-11-23 01:27:43,580 INFO L354 Elim1Store]: treesize reduction 218, result has 13.8 percent of original size [2021-11-23 01:27:43,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 65 treesize of output 61 [2021-11-23 01:27:49,666 INFO L354 Elim1Store]: treesize reduction 200, result has 15.6 percent of original size [2021-11-23 01:27:49,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 59 treesize of output 59 [2021-11-23 01:27:52,350 INFO L354 Elim1Store]: treesize reduction 218, result has 13.8 percent of original size [2021-11-23 01:27:52,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 65 treesize of output 61 [2021-11-23 01:27:55,134 INFO L354 Elim1Store]: treesize reduction 882, result has 11.0 percent of original size [2021-11-23 01:27:55,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 135 treesize of output 188 [2021-11-23 01:27:55,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,185 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-23 01:27:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:55,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 80 [2021-11-23 01:27:58,045 INFO L354 Elim1Store]: treesize reduction 960, result has 10.7 percent of original size [2021-11-23 01:27:58,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 143 treesize of output 196 [2021-11-23 01:27:58,106 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-23 01:27:58,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-23 01:27:58,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 50 [2021-11-23 01:28:00,789 INFO L354 Elim1Store]: treesize reduction 218, result has 13.8 percent of original size [2021-11-23 01:28:00,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 65 treesize of output 61 [2021-11-23 01:28:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 145 states and 263 transitions. [2021-11-23 01:29:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 263 transitions. [2021-11-23 01:29:43,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:29:43,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:43,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:43,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:29:43,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:53,138 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:30:39,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:39,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 152 states and 272 transitions. [2021-11-23 01:30:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 272 transitions. [2021-11-23 01:30:39,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:30:39,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:39,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:39,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:30:39,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:31:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 157 states and 281 transitions. [2021-11-23 01:31:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 281 transitions. [2021-11-23 01:31:16,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:31:16,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:16,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:16,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:31:16,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:19,250 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:32:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 163 states and 292 transitions. [2021-11-23 01:32:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 292 transitions. [2021-11-23 01:32:06,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:32:06,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:06,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:06,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:32:06,050 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:06,113 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:32:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:34,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 166 states and 296 transitions. [2021-11-23 01:32:34,263 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 296 transitions. [2021-11-23 01:32:34,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:32:34,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:34,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:34,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:32:34,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:32:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 162 states and 288 transitions. [2021-11-23 01:32:36,515 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 288 transitions. [2021-11-23 01:32:36,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:32:36,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:36,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:36,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:32:36,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:32:36,602 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 16 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:32:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 160 states and 284 transitions. [2021-11-23 01:32:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 284 transitions. [2021-11-23 01:32:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:32:53,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:53,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:53,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:32:53,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 21 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:34:10,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:10,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 166 states and 291 transitions. [2021-11-23 01:34:10,925 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2021-11-23 01:34:10,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:34:10,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:10,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:10,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:34:10,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:11,012 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 01:34:18,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:18,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 167 states and 292 transitions. [2021-11-23 01:34:18,988 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 292 transitions. [2021-11-23 01:34:18,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:34:18,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:18,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:19,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:34:19,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:19,846 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.