./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:05:55,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:05:55,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:05:55,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:05:55,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:05:55,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:05:55,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:05:55,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:05:55,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:05:55,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:05:55,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:05:55,748 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:05:55,748 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:05:55,749 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:05:55,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:05:55,753 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:05:55,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:05:55,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:05:55,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:05:55,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:05:55,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:05:55,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:05:55,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:05:55,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:05:55,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:05:55,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:05:55,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:05:55,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:05:55,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:05:55,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:05:55,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:05:55,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:05:55,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:05:55,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:05:55,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:05:55,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:05:55,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:05:55,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:05:55,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:05:55,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:05:55,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:05:55,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-13 21:05:55,850 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:05:55,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:05:55,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:05:55,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:05:55,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:05:55,854 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:05:55,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:05:55,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:05:55,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:05:55,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:05:55,862 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-13 21:05:55,862 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-13 21:05:55,862 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-13 21:05:55,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:05:55,863 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:05:55,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:05:55,863 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:05:55,863 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:05:55,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:05:55,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:05:55,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:05:55,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:05:55,865 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:05:55,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:05:55,865 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_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 [2021-11-13 21:05:56,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:05:56,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:05:56,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:05:56,142 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:05:56,143 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:05:56,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2021-11-13 21:05:56,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/data/f77394b0f/a66af213e08a4649ad9863ee1224d043/FLAGb51eefc95 [2021-11-13 21:05:56,807 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:05:56,808 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2021-11-13 21:05:56,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/data/f77394b0f/a66af213e08a4649ad9863ee1224d043/FLAGb51eefc95 [2021-11-13 21:05:57,091 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/data/f77394b0f/a66af213e08a4649ad9863ee1224d043 [2021-11-13 21:05:57,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:05:57,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:05:57,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:57,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:05:57,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:05:57,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df98d53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57, skipping insertion in model container [2021-11-13 21:05:57,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:05:57,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:05:57,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:05:57,586 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:05:57,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:05:57,688 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:05:57,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57 WrapperNode [2021-11-13 21:05:57,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:05:57,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:05:57,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:05:57,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:05:57,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:05:57,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:05:57,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:05:57,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:05:57,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:05:57,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:05:57,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:05:57,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:05:57,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:57" (1/1) ... [2021-11-13 21:05:57,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:05:57,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:05:57,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:05:57,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adec776c-9a29-4cbf-91ba-10c1ada3aa35/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:05:57,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:05:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 21:05:57,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 21:05:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:05:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 21:05:57,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:05:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 21:05:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:05:57,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:05:57,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:05:58,402 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:05:58,403 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 21:05:58,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:58 BoogieIcfgContainer [2021-11-13 21:05:58,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:05:58,407 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:05:58,407 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:05:58,418 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:05:58,418 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:58" (1/1) ... [2021-11-13 21:05:58,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:05:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:58,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 88 states and 96 transitions. [2021-11-13 21:05:58,518 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 96 transitions. [2021-11-13 21:05:58,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 21:05:58,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:58,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:58,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:58,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 90 states and 99 transitions. [2021-11-13 21:05:58,786 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 99 transitions. [2021-11-13 21:05:58,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 21:05:58,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:58,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:59,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 92 states and 102 transitions. [2021-11-13 21:05:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2021-11-13 21:05:59,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:05:59,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:59,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:59,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:59,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 93 states and 104 transitions. [2021-11-13 21:05:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2021-11-13 21:05:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 21:05:59,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:59,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:59,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:59,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 94 states and 106 transitions. [2021-11-13 21:05:59,601 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2021-11-13 21:05:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:05:59,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:59,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:59,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 96 states and 109 transitions. [2021-11-13 21:05:59,672 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 109 transitions. [2021-11-13 21:05:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:05:59,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:59,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:05:59,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:05:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:05:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 99 states and 115 transitions. [2021-11-13 21:05:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 115 transitions. [2021-11-13 21:05:59,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:05:59,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:05:59,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:05:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:00,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 114 transitions. [2021-11-13 21:06:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 114 transitions. [2021-11-13 21:06:00,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:06:00,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:00,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:00,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:00,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 97 states and 113 transitions. [2021-11-13 21:06:00,383 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2021-11-13 21:06:00,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:06:00,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:00,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:00,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:00,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:00,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2021-11-13 21:06:00,455 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2021-11-13 21:06:00,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:06:00,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:00,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:00,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:00,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2021-11-13 21:06:00,504 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2021-11-13 21:06:00,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:06:00,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:00,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 99 states and 119 transitions. [2021-11-13 21:06:00,794 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 119 transitions. [2021-11-13 21:06:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:06:00,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:00,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:01,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 104 states and 129 transitions. [2021-11-13 21:06:01,535 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2021-11-13 21:06:01,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:06:01,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:01,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:01,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:01,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 106 states and 132 transitions. [2021-11-13 21:06:01,584 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 132 transitions. [2021-11-13 21:06:01,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:06:01,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:01,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:01,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 108 states and 139 transitions. [2021-11-13 21:06:01,917 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 139 transitions. [2021-11-13 21:06:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:06:01,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:01,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:01,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 110 states and 142 transitions. [2021-11-13 21:06:01,954 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 142 transitions. [2021-11-13 21:06:01,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:06:01,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:01,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:01,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:01,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 112 states and 145 transitions. [2021-11-13 21:06:01,996 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 145 transitions. [2021-11-13 21:06:01,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:06:01,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:01,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:02,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 119 states and 159 transitions. [2021-11-13 21:06:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 159 transitions. [2021-11-13 21:06:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:06:02,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:02,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:03,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:04,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 126 states and 176 transitions. [2021-11-13 21:06:04,268 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2021-11-13 21:06:04,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:06:04,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:04,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 129 states and 182 transitions. [2021-11-13 21:06:04,965 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 182 transitions. [2021-11-13 21:06:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 21:06:04,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:04,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:06,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 132 states and 190 transitions. [2021-11-13 21:06:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2021-11-13 21:06:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:06:06,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:06,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:06,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 134 states and 194 transitions. [2021-11-13 21:06:06,739 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 194 transitions. [2021-11-13 21:06:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:06:06,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:06,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:06,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:07,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 139 states and 208 transitions. [2021-11-13 21:06:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 208 transitions. [2021-11-13 21:06:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:06:07,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:07,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:08,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:08,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 141 states and 211 transitions. [2021-11-13 21:06:08,534 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 211 transitions. [2021-11-13 21:06:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:06:08,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:08,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:08,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:08,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 140 states and 210 transitions. [2021-11-13 21:06:08,564 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 210 transitions. [2021-11-13 21:06:08,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:06:08,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:08,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:08,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:08,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:08,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 142 states and 213 transitions. [2021-11-13 21:06:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 213 transitions. [2021-11-13 21:06:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:06:08,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:08,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:08,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:08,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 142 states and 212 transitions. [2021-11-13 21:06:08,977 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 212 transitions. [2021-11-13 21:06:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:06:08,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:08,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:06:09,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 142 states and 211 transitions. [2021-11-13 21:06:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 211 transitions. [2021-11-13 21:06:09,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:06:09,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:09,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:10,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 146 states and 222 transitions. [2021-11-13 21:06:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 222 transitions. [2021-11-13 21:06:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:06:10,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:10,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:11,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 150 states and 228 transitions. [2021-11-13 21:06:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 228 transitions. [2021-11-13 21:06:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:06:11,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:11,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:11,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 151 states and 229 transitions. [2021-11-13 21:06:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 229 transitions. [2021-11-13 21:06:11,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 21:06:11,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:11,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:11,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:12,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:12,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 228 transitions. [2021-11-13 21:06:12,178 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2021-11-13 21:06:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:06:12,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:12,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:14,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:14,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 159 states and 249 transitions. [2021-11-13 21:06:14,906 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 249 transitions. [2021-11-13 21:06:14,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:06:14,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:14,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:17,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 164 states and 261 transitions. [2021-11-13 21:06:17,072 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 261 transitions. [2021-11-13 21:06:17,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:06:17,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:17,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:17,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 172 states and 279 transitions. [2021-11-13 21:06:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 279 transitions. [2021-11-13 21:06:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:06:19,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:19,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 175 states and 283 transitions. [2021-11-13 21:06:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 283 transitions. [2021-11-13 21:06:21,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:06:21,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:21,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:22,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:24,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:24,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2021-11-13 21:06:24,855 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2021-11-13 21:06:24,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:06:24,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:24,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:24,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:25,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:25,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 179 states and 294 transitions. [2021-11-13 21:06:25,351 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 294 transitions. [2021-11-13 21:06:25,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:06:25,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:25,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:25,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:25,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 181 states and 297 transitions. [2021-11-13 21:06:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 297 transitions. [2021-11-13 21:06:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:06:25,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:25,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:27,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:27,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 185 states and 305 transitions. [2021-11-13 21:06:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 305 transitions. [2021-11-13 21:06:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 21:06:27,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:27,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 189 states and 311 transitions. [2021-11-13 21:06:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 311 transitions. [2021-11-13 21:06:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:06:28,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:28,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:28,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:29,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:29,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 191 states and 315 transitions. [2021-11-13 21:06:29,616 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 315 transitions. [2021-11-13 21:06:29,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:06:29,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:29,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:30,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:31,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:31,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 193 states and 319 transitions. [2021-11-13 21:06:31,436 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 319 transitions. [2021-11-13 21:06:31,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:06:31,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:31,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 21:06:31,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 193 states and 318 transitions. [2021-11-13 21:06:31,946 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 318 transitions. [2021-11-13 21:06:31,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:06:31,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:31,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:31,972 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 21:06:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 194 states and 318 transitions. [2021-11-13 21:06:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 318 transitions. [2021-11-13 21:06:32,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:32,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:32,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 21:06:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:34,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 197 states and 323 transitions. [2021-11-13 21:06:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 323 transitions. [2021-11-13 21:06:34,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 21:06:34,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:34,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:35,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 200 states and 332 transitions. [2021-11-13 21:06:38,928 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 332 transitions. [2021-11-13 21:06:38,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:38,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:38,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:49,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:49,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 213 states and 358 transitions. [2021-11-13 21:06:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 358 transitions. [2021-11-13 21:06:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:49,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:49,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:51,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:51,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 217 states and 365 transitions. [2021-11-13 21:06:51,132 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 365 transitions. [2021-11-13 21:06:51,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:06:51,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:51,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:58,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 225 states and 387 transitions. [2021-11-13 21:06:58,158 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 387 transitions. [2021-11-13 21:06:58,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:06:58,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:58,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:06:59,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:06:59,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 228 states and 392 transitions. [2021-11-13 21:06:59,568 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 392 transitions. [2021-11-13 21:06:59,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:06:59,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:06:59,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:06:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:06:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:01,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:01,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 232 states and 398 transitions. [2021-11-13 21:07:01,178 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 398 transitions. [2021-11-13 21:07:01,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:01,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:01,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:01,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:07:01,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:01,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 231 states and 396 transitions. [2021-11-13 21:07:01,970 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 396 transitions. [2021-11-13 21:07:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:01,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:01,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:07:02,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:02,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 230 states and 394 transitions. [2021-11-13 21:07:02,839 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 394 transitions. [2021-11-13 21:07:02,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:02,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:02,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:02,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:03,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:03,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 231 states and 395 transitions. [2021-11-13 21:07:03,644 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 395 transitions. [2021-11-13 21:07:03,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:03,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:03,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 231 states and 394 transitions. [2021-11-13 21:07:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 394 transitions. [2021-11-13 21:07:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:04,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:04,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:04,523 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:07:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 232 states and 395 transitions. [2021-11-13 21:07:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 395 transitions. [2021-11-13 21:07:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 21:07:05,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:05,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:07:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:06,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 232 states and 394 transitions. [2021-11-13 21:07:06,122 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 394 transitions. [2021-11-13 21:07:06,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:07:06,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:06,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:06,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:09,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 236 states and 400 transitions. [2021-11-13 21:07:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 400 transitions. [2021-11-13 21:07:09,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:07:09,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:09,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:10,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 236 states and 399 transitions. [2021-11-13 21:07:10,650 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 399 transitions. [2021-11-13 21:07:10,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:07:10,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:10,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:11,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:13,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:13,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 238 states and 405 transitions. [2021-11-13 21:07:13,413 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 405 transitions. [2021-11-13 21:07:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:07:13,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:13,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 21:07:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 241 states and 410 transitions. [2021-11-13 21:07:16,566 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 410 transitions. [2021-11-13 21:07:16,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 21:07:16,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:16,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:18,033 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:22,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:22,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 244 states and 419 transitions. [2021-11-13 21:07:22,676 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 419 transitions. [2021-11-13 21:07:22,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-13 21:07:22,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:22,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 261 states and 451 transitions. [2021-11-13 21:07:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 451 transitions. [2021-11-13 21:07:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:07:38,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:38,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:38,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:07:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:44,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 267 states and 461 transitions. [2021-11-13 21:07:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 461 transitions. [2021-11-13 21:07:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:07:44,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:44,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:07:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:07:45,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 265 states and 457 transitions. [2021-11-13 21:07:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 457 transitions. [2021-11-13 21:07:45,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:07:45,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:07:45,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:07:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:07:47,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:08:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:04,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 281 states and 491 transitions. [2021-11-13 21:08:04,271 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 491 transitions. [2021-11-13 21:08:04,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:08:04,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:04,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:08:14,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:15,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 291 states and 518 transitions. [2021-11-13 21:08:15,000 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 518 transitions. [2021-11-13 21:08:15,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:08:15,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:15,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:18,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:08:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 305 states and 548 transitions. [2021-11-13 21:08:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 548 transitions. [2021-11-13 21:08:37,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:08:37,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:37,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:08:50,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:50,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 315 states and 573 transitions. [2021-11-13 21:08:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 573 transitions. [2021-11-13 21:08:50,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:08:50,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:50,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 21:08:51,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 316 states and 574 transitions. [2021-11-13 21:08:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 574 transitions. [2021-11-13 21:08:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:08:51,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:51,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 21:08:52,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:08:52,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 316 states and 573 transitions. [2021-11-13 21:08:52,989 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 573 transitions. [2021-11-13 21:08:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:08:52,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:08:52,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:08:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:08:54,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:08,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:08,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 327 states and 593 transitions. [2021-11-13 21:09:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 593 transitions. [2021-11-13 21:09:08,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:09:08,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:08,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 331 states and 597 transitions. [2021-11-13 21:09:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 597 transitions. [2021-11-13 21:09:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:09:12,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:12,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:14,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 331 states and 596 transitions. [2021-11-13 21:09:14,113 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 596 transitions. [2021-11-13 21:09:14,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:09:14,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:14,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:15,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 332 states and 597 transitions. [2021-11-13 21:09:15,627 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 597 transitions. [2021-11-13 21:09:15,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:09:15,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:15,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:15,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-13 21:09:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:20,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 335 states and 602 transitions. [2021-11-13 21:09:20,876 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 602 transitions. [2021-11-13 21:09:20,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 21:09:20,877 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:20,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:31,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:31,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 338 states and 611 transitions. [2021-11-13 21:09:31,199 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 611 transitions. [2021-11-13 21:09:31,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:09:31,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:31,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:31,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 337 states and 610 transitions. [2021-11-13 21:09:31,232 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 610 transitions. [2021-11-13 21:09:31,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:09:31,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:31,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:32,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 337 states and 609 transitions. [2021-11-13 21:09:32,928 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 609 transitions. [2021-11-13 21:09:32,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:09:32,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:32,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:33,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:35,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:35,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 336 states and 608 transitions. [2021-11-13 21:09:35,238 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 608 transitions. [2021-11-13 21:09:35,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:09:35,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:35,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:38,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:43,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 338 states and 612 transitions. [2021-11-13 21:09:43,731 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 612 transitions. [2021-11-13 21:09:43,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:09:43,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:43,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:43,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 342 states and 621 transitions. [2021-11-13 21:09:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 621 transitions. [2021-11-13 21:09:45,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:09:45,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:45,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:09:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:09:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 344 states and 623 transitions. [2021-11-13 21:09:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 623 transitions. [2021-11-13 21:09:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:09:51,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:09:51,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:09:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:09:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:10:25,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 361 states and 663 transitions. [2021-11-13 21:10:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 663 transitions. [2021-11-13 21:10:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:10:25,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:25,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:10:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:10:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 371 states and 684 transitions. [2021-11-13 21:10:43,188 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 684 transitions. [2021-11-13 21:10:43,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:10:43,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:10:43,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:10:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:10:43,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:11:02,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:02,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 381 states and 703 transitions. [2021-11-13 21:11:02,794 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 703 transitions. [2021-11-13 21:11:02,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:11:02,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:02,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 21:11:04,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:04,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 381 states and 702 transitions. [2021-11-13 21:11:04,437 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 702 transitions. [2021-11-13 21:11:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 21:11:04,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:04,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-13 21:11:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 382 states and 702 transitions. [2021-11-13 21:11:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 702 transitions. [2021-11-13 21:11:06,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:11:06,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:06,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:06,539 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:11:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:07,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 383 states and 702 transitions. [2021-11-13 21:11:07,672 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 702 transitions. [2021-11-13 21:11:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:11:07,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:07,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:09,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:11:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 407 states and 766 transitions. [2021-11-13 21:11:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 766 transitions. [2021-11-13 21:11:49,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:11:49,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:49,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:11:53,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:53,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 410 states and 776 transitions. [2021-11-13 21:11:53,009 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 776 transitions. [2021-11-13 21:11:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:11:53,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:53,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:11:55,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:11:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 410 states and 775 transitions. [2021-11-13 21:11:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 775 transitions. [2021-11-13 21:11:55,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:11:55,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:11:55,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:11:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:11:55,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:12:16,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:16,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 420 states and 791 transitions. [2021-11-13 21:12:16,873 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 791 transitions. [2021-11-13 21:12:16,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:12:16,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:16,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:16,942 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 21:12:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:24,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 423 states and 796 transitions. [2021-11-13 21:12:24,471 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 796 transitions. [2021-11-13 21:12:24,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-13 21:12:24,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:24,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:28,234 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:12:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:12:40,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 426 states and 805 transitions. [2021-11-13 21:12:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 805 transitions. [2021-11-13 21:12:40,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 21:12:40,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:12:40,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:12:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:12:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:13:48,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:13:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 447 states and 851 transitions. [2021-11-13 21:13:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 851 transitions. [2021-11-13 21:13:48,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 21:13:48,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:13:48,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:13:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:13:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:15:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 472 states and 920 transitions. [2021-11-13 21:15:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 920 transitions. [2021-11-13 21:15:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 21:15:07,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:07,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:15:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 474 states and 922 transitions. [2021-11-13 21:15:14,152 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 922 transitions. [2021-11-13 21:15:14,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 21:15:14,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:14,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:15:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 475 states and 926 transitions. [2021-11-13 21:15:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 926 transitions. [2021-11-13 21:15:18,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 21:15:18,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:18,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:18,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:15:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:22,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 475 states and 925 transitions. [2021-11-13 21:15:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 925 transitions. [2021-11-13 21:15:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:15:22,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:22,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:15:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:15:31,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 479 states and 928 transitions. [2021-11-13 21:15:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 928 transitions. [2021-11-13 21:15:31,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:15:31,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:15:31,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:15:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:15:35,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:16:42,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:42,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 503 states and 986 transitions. [2021-11-13 21:16:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 986 transitions. [2021-11-13 21:16:42,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:16:42,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:42,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:42,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:16:57,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:16:57,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 509 states and 998 transitions. [2021-11-13 21:16:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 998 transitions. [2021-11-13 21:16:57,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:16:57,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:16:57,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:16:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:16:57,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:17:27,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 519 states and 1020 transitions. [2021-11-13 21:17:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1020 transitions. [2021-11-13 21:17:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:17:27,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:27,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:17:30,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 520 states and 1020 transitions. [2021-11-13 21:17:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1020 transitions. [2021-11-13 21:17:30,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:17:30,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:30,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 21:17:33,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 521 states and 1021 transitions. [2021-11-13 21:17:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1021 transitions. [2021-11-13 21:17:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:17:33,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:33,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 21:17:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:37,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 521 states and 1020 transitions. [2021-11-13 21:17:37,411 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1020 transitions. [2021-11-13 21:17:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 21:17:37,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:37,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:37,444 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 21:17:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 519 states and 1016 transitions. [2021-11-13 21:17:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1016 transitions. [2021-11-13 21:17:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 21:17:41,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:41,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:41,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:17:54,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:17:54,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 523 states and 1019 transitions. [2021-11-13 21:17:54,116 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1019 transitions. [2021-11-13 21:17:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 21:17:54,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:17:54,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:17:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:17:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.