./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2c_remove_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2c_remove_all.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB --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 cd9bd7b6c1446abd728b90c98a54cb367face4c5994cfeca4979c2dbc50ad4d3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:38:27,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:38:27,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:38:27,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:38:27,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:38:27,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:38:27,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:38:27,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:38:27,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:38:27,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:38:27,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:38:27,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:38:27,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:38:27,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:38:27,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:38:27,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:38:27,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:38:27,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:38:27,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:38:27,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:38:27,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:38:27,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:38:27,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:38:27,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:38:27,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:38:27,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:38:27,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:38:27,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:38:27,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:38:27,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:38:27,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:38:27,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:38:27,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:38:27,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:38:27,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:38:27,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:38:27,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:38:27,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:38:27,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:38:27,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:38:27,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:38:27,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:38:27,722 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:38:27,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:38:27,723 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:38:27,724 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:38:27,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:38:27,724 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:38:27,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:38:27,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:38:27,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:38:27,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:38:27,725 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:38:27,725 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:38:27,726 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:38:27,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:38:27,726 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:38:27,726 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:38:27,726 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:38:27,727 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:38:27,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:38:27,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:27,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:38:27,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:38:27,728 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:38:27,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:38:27,739 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_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd9bd7b6c1446abd728b90c98a54cb367face4c5994cfeca4979c2dbc50ad4d3 [2022-10-17 16:38:28,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:38:28,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:38:28,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:38:28,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:38:28,099 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:38:28,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-simple/sll2c_remove_all.i [2022-10-17 16:38:28,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/data/9e322f814/5176ba353df447d1983cc3e7f044a18a/FLAGe4ac1f855 [2022-10-17 16:38:28,711 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:38:28,713 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/sv-benchmarks/c/list-simple/sll2c_remove_all.i [2022-10-17 16:38:28,727 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/data/9e322f814/5176ba353df447d1983cc3e7f044a18a/FLAGe4ac1f855 [2022-10-17 16:38:28,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/data/9e322f814/5176ba353df447d1983cc3e7f044a18a [2022-10-17 16:38:28,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:38:28,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:38:29,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:29,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:38:29,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:38:29,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:29,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15f6603c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29, skipping insertion in model container [2022-10-17 16:38:29,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:38:28" (1/1) ... [2022-10-17 16:38:29,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:38:29,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:38:29,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/sv-benchmarks/c/list-simple/sll2c_remove_all.i[24082,24095] [2022-10-17 16:38:29,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:29,510 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:38:29,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/sv-benchmarks/c/list-simple/sll2c_remove_all.i[24082,24095] [2022-10-17 16:38:29,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:38:29,613 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:38:29,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29 WrapperNode [2022-10-17 16:38:29,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:38:29,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:29,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:38:29,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:38:29,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,694 INFO L138 Inliner]: procedures = 126, calls = 36, calls flagged for inlining = 7, calls inlined = 8, statements flattened = 130 [2022-10-17 16:38:29,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:38:29,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:38:29,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:38:29,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:38:29,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,740 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:38:29,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:38:29,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:38:29,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:38:29,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:38:29" (1/1) ... [2022-10-17 16:38:29,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:38:29,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:38:29,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:38:29,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1e6fe6-6656-45fb-9eee-77c63bbd0267/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:38:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:38:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:38:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:38:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:38:29,979 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:38:29,981 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:38:30,494 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:38:30,593 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:38:30,593 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:38:30,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:30 BoogieIcfgContainer [2022-10-17 16:38:30,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:38:30,597 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:38:30,597 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:38:30,609 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:38:30,609 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:38:30" (1/1) ... [2022-10-17 16:38:30,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:38:30,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 85 states and 92 transitions. [2022-10-17 16:38:30,680 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 92 transitions. [2022-10-17 16:38:30,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:38:30,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:30,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:30,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 84 states and 91 transitions. [2022-10-17 16:38:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 91 transitions. [2022-10-17 16:38:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:38:30,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:30,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:31,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:31,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 83 states and 90 transitions. [2022-10-17 16:38:31,210 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2022-10-17 16:38:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:38:31,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:31,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:31,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:31,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 82 states and 89 transitions. [2022-10-17 16:38:31,289 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2022-10-17 16:38:31,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:38:31,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:31,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:31,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:31,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 81 states and 88 transitions. [2022-10-17 16:38:31,603 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2022-10-17 16:38:31,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:38:31,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:31,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:31,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:31,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2022-10-17 16:38:31,892 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2022-10-17 16:38:31,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:38:31,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:31,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 81 states and 89 transitions. [2022-10-17 16:38:32,022 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 89 transitions. [2022-10-17 16:38:32,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:38:32,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:32,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:32,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:32,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 80 states and 88 transitions. [2022-10-17 16:38:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2022-10-17 16:38:32,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:38:32,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:32,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:32,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:32,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 79 states and 87 transitions. [2022-10-17 16:38:32,192 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2022-10-17 16:38:32,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:38:32,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:32,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:32,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:32,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 78 states and 86 transitions. [2022-10-17 16:38:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 86 transitions. [2022-10-17 16:38:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:38:32,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:32,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:32,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:32,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 77 states and 85 transitions. [2022-10-17 16:38:32,395 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2022-10-17 16:38:32,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:38:32,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:32,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:32,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 76 states and 84 transitions. [2022-10-17 16:38:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2022-10-17 16:38:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:38:32,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:33,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:33,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 75 states and 83 transitions. [2022-10-17 16:38:33,607 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 83 transitions. [2022-10-17 16:38:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:38:33,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:33,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:33,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:34,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 74 states and 82 transitions. [2022-10-17 16:38:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2022-10-17 16:38:34,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:38:34,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:34,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:37,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:37,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 76 states and 86 transitions. [2022-10-17 16:38:37,218 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2022-10-17 16:38:37,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:38:37,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:37,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:37,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:40,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2022-10-17 16:38:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2022-10-17 16:38:40,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:38:40,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:40,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:40,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:43,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2022-10-17 16:38:43,253 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2022-10-17 16:38:43,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:38:43,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:43,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:45,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2022-10-17 16:38:45,451 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2022-10-17 16:38:45,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:38:45,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:45,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:46,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:48,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 85 states and 104 transitions. [2022-10-17 16:38:48,821 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 104 transitions. [2022-10-17 16:38:48,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:38:48,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:48,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 86 states and 106 transitions. [2022-10-17 16:38:49,289 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 106 transitions. [2022-10-17 16:38:49,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:38:49,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:49,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 88 states and 109 transitions. [2022-10-17 16:38:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 109 transitions. [2022-10-17 16:38:50,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:38:50,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:50,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 87 states and 108 transitions. [2022-10-17 16:38:50,499 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2022-10-17 16:38:50,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:38:50,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:50,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 89 states and 111 transitions. [2022-10-17 16:38:50,691 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 111 transitions. [2022-10-17 16:38:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:38:50,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:50,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 88 states and 110 transitions. [2022-10-17 16:38:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2022-10-17 16:38:50,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:38:50,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:50,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:50,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 89 states and 111 transitions. [2022-10-17 16:38:50,961 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 111 transitions. [2022-10-17 16:38:50,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:38:50,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:50,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:51,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:52,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 93 states and 118 transitions. [2022-10-17 16:38:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 118 transitions. [2022-10-17 16:38:52,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:38:52,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:52,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:52,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:54,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:54,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 97 states and 126 transitions. [2022-10-17 16:38:54,057 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 126 transitions. [2022-10-17 16:38:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:38:54,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:54,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:56,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:56,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 99 states and 130 transitions. [2022-10-17 16:38:56,753 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 130 transitions. [2022-10-17 16:38:56,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:38:56,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:56,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:57,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 101 states and 134 transitions. [2022-10-17 16:38:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 134 transitions. [2022-10-17 16:38:57,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:38:57,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:57,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:38:58,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:58,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 103 states and 138 transitions. [2022-10-17 16:38:58,426 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 138 transitions. [2022-10-17 16:38:58,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:38:58,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:58,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat