./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI --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 1df2ca055a97db0a00e0c4b03f212c5ac3c2765d37b628ab5708f179a281754f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:01:39,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:01:39,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:01:39,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:01:39,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:01:39,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:01:39,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:01:39,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:01:39,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:01:39,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:01:39,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:01:39,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:01:39,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:01:39,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:01:39,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:01:39,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:01:39,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:01:39,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:01:39,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:01:39,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:01:39,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:01:39,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:01:39,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:01:39,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:01:39,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:01:39,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:01:39,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:01:39,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:01:39,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:01:39,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:01:39,725 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:01:39,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:01:39,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:01:39,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:01:39,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:01:39,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:01:39,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:01:39,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:01:39,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:01:39,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:01:39,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:01:39,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 04:01:39,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:01:39,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:01:39,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:01:39,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:01:39,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:01:39,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:01:39,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 04:01:39,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:01:39,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:01:39,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:01:39,760 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 04:01:39,760 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 04:01:39,761 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 04:01:39,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:01:39,761 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:01:39,761 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:01:39,761 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:01:39,762 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:01:39,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:01:39,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:01:39,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:01:39,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:01:39,763 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:01:39,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:01:39,763 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_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1df2ca055a97db0a00e0c4b03f212c5ac3c2765d37b628ab5708f179a281754f [2021-10-29 04:01:40,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:01:40,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:01:40,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:01:40,088 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:01:40,088 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:01:40,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i [2021-10-29 04:01:40,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/data/862d6fcd4/8d0a8a90622641ee876f801397cb1fc4/FLAG583bb3749 [2021-10-29 04:01:40,738 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:01:40,738 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/sv-benchmarks/c/ldv-memsafety/memleaks_test19-2.i [2021-10-29 04:01:40,768 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/data/862d6fcd4/8d0a8a90622641ee876f801397cb1fc4/FLAG583bb3749 [2021-10-29 04:01:41,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/data/862d6fcd4/8d0a8a90622641ee876f801397cb1fc4 [2021-10-29 04:01:41,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:01:41,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:01:41,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:01:41,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:01:41,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:01:41,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebef7fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41, skipping insertion in model container [2021-10-29 04:01:41,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:01:41,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:01:41,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:01:41,539 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:01:41,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:01:41,671 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:01:41,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41 WrapperNode [2021-10-29 04:01:41,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:01:41,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:01:41,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:01:41,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:01:41,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:01:41,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:01:41,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:01:41,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:01:41,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,739 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:01:41,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:01:41,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:01:41,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:01:41,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:01:41" (1/1) ... [2021-10-29 04:01:41,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:01:41,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:01:41,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:01:41,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:01:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:01:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-29 04:01:41,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:01:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-29 04:01:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:01:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-29 04:01:41,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:01:41,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:01:42,465 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:01:42,466 INFO L299 CfgBuilder]: Removed 22 assume(true) statements. [2021-10-29 04:01:42,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:01:42 BoogieIcfgContainer [2021-10-29 04:01:42,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:01:42,471 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:01:42,473 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:01:42,483 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:01:42,484 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:01:42" (1/1) ... [2021-10-29 04:01:42,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:01:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2021-10-29 04:01:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2021-10-29 04:01:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:01:42,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:42,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:42,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:42,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2021-10-29 04:01:42,823 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2021-10-29 04:01:42,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-29 04:01:42,824 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:42,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:42,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:43,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:43,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 57 states and 60 transitions. [2021-10-29 04:01:43,015 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2021-10-29 04:01:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:01:43,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:43,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:43,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:43,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 56 states and 59 transitions. [2021-10-29 04:01:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2021-10-29 04:01:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 04:01:43,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:43,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 55 states and 58 transitions. [2021-10-29 04:01:43,222 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2021-10-29 04:01:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:01:43,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:43,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:43,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 54 states and 57 transitions. [2021-10-29 04:01:43,356 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2021-10-29 04:01:43,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 04:01:43,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:43,357 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:44,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 53 states and 56 transitions. [2021-10-29 04:01:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2021-10-29 04:01:44,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:01:44,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:44,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:44,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:44,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 52 states and 55 transitions. [2021-10-29 04:01:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2021-10-29 04:01:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 04:01:44,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:44,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:44,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:44,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 51 states and 54 transitions. [2021-10-29 04:01:44,484 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2021-10-29 04:01:44,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:01:44,484 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:44,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:44,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 55 states and 61 transitions. [2021-10-29 04:01:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2021-10-29 04:01:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:01:45,225 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:45,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:45,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:46,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2021-10-29 04:01:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2021-10-29 04:01:46,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:01:46,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:46,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:46,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:47,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 59 states and 67 transitions. [2021-10-29 04:01:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2021-10-29 04:01:47,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:01:47,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:47,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:47,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:48,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 60 states and 69 transitions. [2021-10-29 04:01:48,640 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2021-10-29 04:01:48,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:01:48,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:48,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:50,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:50,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 65 states and 77 transitions. [2021-10-29 04:01:50,972 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 77 transitions. [2021-10-29 04:01:50,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:01:50,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:50,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:51,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 64 states and 76 transitions. [2021-10-29 04:01:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2021-10-29 04:01:51,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:01:51,206 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:51,206 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:51,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:52,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 63 states and 75 transitions. [2021-10-29 04:01:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2021-10-29 04:01:52,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:01:52,263 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:52,263 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:55,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:55,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 78 transitions. [2021-10-29 04:01:55,268 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2021-10-29 04:01:55,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:01:55,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:55,268 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:01:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:01:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 64 states and 77 transitions. [2021-10-29 04:01:58,053 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2021-10-29 04:01:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:01:58,054 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:01:58,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:01:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:01:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:02:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:02:04,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 67 states and 81 transitions. [2021-10-29 04:02:04,044 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 81 transitions. [2021-10-29 04:02:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:02:04,047 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:02:04,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:02:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:02:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:02:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:02:11,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 66 states and 80 transitions. [2021-10-29 04:02:11,721 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 80 transitions. [2021-10-29 04:02:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:02:11,721 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:02:11,721 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:02:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:02:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:02:15,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:02:15,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 79 transitions. [2021-10-29 04:02:15,724 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2021-10-29 04:02:15,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:02:15,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:02:15,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:02:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:02:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:02:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:02:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 69 states and 85 transitions. [2021-10-29 04:02:26,426 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2021-10-29 04:02:26,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:02:26,427 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:02:26,427 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:02:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:02:28,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:02:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:02:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 73 states and 94 transitions. [2021-10-29 04:02:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2021-10-29 04:02:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:02:38,766 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:02:38,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:02:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:02:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:02:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:02:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 72 states and 93 transitions. [2021-10-29 04:02:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2021-10-29 04:02:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:02:48,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:02:48,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:02:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:02:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:00,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:00,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 76 states and 101 transitions. [2021-10-29 04:03:00,708 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 101 transitions. [2021-10-29 04:03:00,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:03:00,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:00,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 78 states and 103 transitions. [2021-10-29 04:03:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 103 transitions. [2021-10-29 04:03:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:03:03,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:03,696 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:05,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:16,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2021-10-29 04:03:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2021-10-29 04:03:16,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:03:16,895 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:16,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:18,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 74 states and 94 transitions. [2021-10-29 04:03:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2021-10-29 04:03:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:03:26,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:26,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 79 states and 101 transitions. [2021-10-29 04:03:38,882 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2021-10-29 04:03:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:03:38,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:38,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:38,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:44,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 76 states and 98 transitions. [2021-10-29 04:03:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2021-10-29 04:03:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:03:44,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:44,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:44,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:04:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:01,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 82 states and 107 transitions. [2021-10-29 04:04:01,104 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2021-10-29 04:04:01,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:04:01,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:01,104 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:04:08,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:08,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 78 states and 103 transitions. [2021-10-29 04:04:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 103 transitions. [2021-10-29 04:04:08,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:04:08,686 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:08,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:04:29,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:29,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 85 states and 115 transitions. [2021-10-29 04:04:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 115 transitions. [2021-10-29 04:04:29,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:04:29,448 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:29,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:30,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:04:36,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:36,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 89 states and 119 transitions. [2021-10-29 04:04:36,503 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2021-10-29 04:04:36,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:04:36,503 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:36,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:04:43,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 93 states and 124 transitions. [2021-10-29 04:04:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 124 transitions. [2021-10-29 04:04:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:04:43,537 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:43,538 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:04:52,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:52,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 98 states and 134 transitions. [2021-10-29 04:04:52,255 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 134 transitions. [2021-10-29 04:04:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:04:52,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:04:52,255 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:04:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:04:56,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:15,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:15,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 93 states and 124 transitions. [2021-10-29 04:05:15,315 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 124 transitions. [2021-10-29 04:05:15,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:05:15,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:15,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 101 states and 135 transitions. [2021-10-29 04:05:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 135 transitions. [2021-10-29 04:05:31,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:05:31,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:31,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:02,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:02,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 105 states and 142 transitions. [2021-10-29 04:06:02,815 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 142 transitions. [2021-10-29 04:06:02,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 04:06:02,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:02,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:13,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:13,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 109 states and 148 transitions. [2021-10-29 04:06:13,281 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 148 transitions. [2021-10-29 04:06:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-29 04:06:13,282 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:13,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:15,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:06:32,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:06:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 118 states and 160 transitions. [2021-10-29 04:06:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 160 transitions. [2021-10-29 04:06:32,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-29 04:06:32,961 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:06:32,961 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:06:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:06:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:07:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 128 states and 175 transitions. [2021-10-29 04:07:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 175 transitions. [2021-10-29 04:07:05,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:07:05,138 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:05,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:05,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:07:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 119 states and 159 transitions. [2021-10-29 04:07:17,182 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 159 transitions. [2021-10-29 04:07:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:07:17,182 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:17,182 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:07:26,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:07:26,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 107 states and 135 transitions. [2021-10-29 04:07:26,020 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 135 transitions. [2021-10-29 04:07:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-29 04:07:26,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:07:26,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:07:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:07:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:08:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:24,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 117 states and 151 transitions. [2021-10-29 04:08:24,441 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 151 transitions. [2021-10-29 04:08:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:08:24,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:24,442 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:25,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:08:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:08:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 114 states and 146 transitions. [2021-10-29 04:08:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 146 transitions. [2021-10-29 04:08:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:08:48,457 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:08:48,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:08:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:08:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 116 states and 148 transitions. [2021-10-29 04:09:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 148 transitions. [2021-10-29 04:09:01,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:09:01,501 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:01,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:01,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:03,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 117 states and 149 transitions. [2021-10-29 04:09:03,728 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 149 transitions. [2021-10-29 04:09:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:09:03,729 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:03,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:03,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:12,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 114 states and 144 transitions. [2021-10-29 04:09:12,979 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 144 transitions. [2021-10-29 04:09:12,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:09:12,979 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:12,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:13,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:19,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 107 states and 129 transitions. [2021-10-29 04:09:19,780 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2021-10-29 04:09:19,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:09:19,780 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:19,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 108 states and 130 transitions. [2021-10-29 04:09:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2021-10-29 04:09:40,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 04:09:40,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:40,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:09:40,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:09:47,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:09:47,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 101 states and 123 transitions. [2021-10-29 04:09:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 123 transitions. [2021-10-29 04:09:47,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-29 04:09:47,265 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:09:47,265 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:09:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:09:47,285 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:09:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:09:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:09:47,554 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:09:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:09:47,632 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 52 iterations. [2021-10-29 04:09:47,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:09:47 ImpRootNode [2021-10-29 04:09:47,715 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:09:47,715 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:09:47,715 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:09:47,715 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:09:47,716 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:01:42" (3/4) ... [2021-10-29 04:09:47,718 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:09:47,795 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:09:47,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:09:47,797 INFO L168 Benchmark]: Toolchain (without parser) took 486772.25 ms. Allocated memory was 123.7 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 84.3 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 244.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:47,797 INFO L168 Benchmark]: CDTParser took 0.61 ms. Allocated memory is still 123.7 MB. Free memory was 102.2 MB in the beginning and 102.1 MB in the end (delta: 63.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:09:47,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.93 ms. Allocated memory is still 123.7 MB. Free memory was 84.2 MB in the beginning and 86.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:47,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.63 ms. Allocated memory is still 123.7 MB. Free memory was 86.2 MB in the beginning and 83.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:47,799 INFO L168 Benchmark]: Boogie Preprocessor took 28.80 ms. Allocated memory is still 123.7 MB. Free memory was 83.7 MB in the beginning and 82.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:09:47,800 INFO L168 Benchmark]: RCFGBuilder took 712.15 ms. Allocated memory is still 123.7 MB. Free memory was 82.2 MB in the beginning and 59.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:47,801 INFO L168 Benchmark]: CodeCheck took 485243.74 ms. Allocated memory was 123.7 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 59.9 MB in the beginning and 2.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 217.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:47,811 INFO L168 Benchmark]: Witness Printer took 79.91 ms. Allocated memory is still 2.9 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:09:47,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 59 locations, 29 error locations. Started 1 CEGAR loops. OverallTime: 485.1s, OverallIterations: 52, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 809617558 SDslu, -1010761528 SDs, 0 SdLazy, 1334775910 SolverSat, -1660590276 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 61.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7052 GetRequests, 5445 SyntacticMatches, 203 SemanticMatches, 1404 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 975180 ImplicationChecksByTransitivity, 476.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 65.2s InterpolantComputationTime, 673 NumberOfCodeBlocks, 673 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 8396 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 51 InterpolantComputations, 51 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 793]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L797] struct A19 a19; [L774] int ret = - -3; [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L775] a->q = (int *)ldv_malloc(sizeof(int)) [L776] EXPR a->q VAL [ldv_global_msg_list={3:0}] [L776] COND FALSE !(!a->q) [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L762] a->p = (int *)ldv_malloc(sizeof(int)) [L763] a->p [L763] COND TRUE a->p [L764] return 0; [L777] ret = f19(a) [L778] COND FALSE !(\read(ret)) [L771] return __VERIFIER_nondet_int(); [L781] COND TRUE !g19() [L768] EXPR a->p VAL [ldv_global_msg_list={3:0}] [L768] free(a->p) VAL [ldv_global_msg_list={3:0}] [L768] free(a->p) VAL [ldv_global_msg_list={3:0}] [L768] free(a->p) [L788] EXPR a->q VAL [ldv_global_msg_list={3:0}] [L788] free(a->q) VAL [ldv_global_msg_list={3:0}] [L788] free(a->q) VAL [ldv_global_msg_list={3:0}] [L788] free(a->q) [L790] return ret; VAL [ldv_global_msg_list={3:0}] [L798] int ret = probe_unsafe_19(&a19); [L799] COND TRUE ret==0 [L793] EXPR a->q VAL [ldv_global_msg_list={3:0}] [L793] free(a->q) VAL [ldv_global_msg_list={3:0}] [L793] free(a->q) VAL [ldv_global_msg_list={3:0}] [L793] free(a->q) VAL [ldv_global_msg_list={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61 ms. Allocated memory is still 123.7 MB. Free memory was 102.2 MB in the beginning and 102.1 MB in the end (delta: 63.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 645.93 ms. Allocated memory is still 123.7 MB. Free memory was 84.2 MB in the beginning and 86.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.63 ms. Allocated memory is still 123.7 MB. Free memory was 86.2 MB in the beginning and 83.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.80 ms. Allocated memory is still 123.7 MB. Free memory was 83.7 MB in the beginning and 82.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 712.15 ms. Allocated memory is still 123.7 MB. Free memory was 82.2 MB in the beginning and 59.9 MB in the end (delta: 22.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 485243.74 ms. Allocated memory was 123.7 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 59.9 MB in the beginning and 2.6 GB in the end (delta: -2.6 GB). Peak memory consumption was 217.1 MB. Max. memory is 16.1 GB. * Witness Printer took 79.91 ms. Allocated memory is still 2.9 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 04:09:47,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_026febdd-8d9e-4619-b51a-3412089a39fe/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...