./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.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_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/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_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/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_43de21ce-d11a-4f28-bd14-b52dc161a8cf/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 3a34687129125cc08371e7bb78f7bdb7a4f5274a9b22928fd388f593b6db6995 --- 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 16:37:34,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:34,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:34,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:34,601 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:34,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:34,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:34,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:34,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:34,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:34,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:34,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:34,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:34,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:34,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:34,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:34,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:34,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:34,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:34,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:34,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:34,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:34,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:34,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:34,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:34,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:34,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:34,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:34,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:34,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:34,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:34,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:34,676 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:34,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:34,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:34,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:34,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:34,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:34,681 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:34,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:34,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:34,685 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:37:34,725 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:34,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:34,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:34,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:34,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:34,728 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:34,729 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:37:34,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:34,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:34,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:34,730 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:37:34,731 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:37:34,731 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:37:34,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:34,732 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:34,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:34,732 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:34,732 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:34,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:34,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:34,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:34,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:34,734 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:34,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:34,734 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_43de21ce-d11a-4f28-bd14-b52dc161a8cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a34687129125cc08371e7bb78f7bdb7a4f5274a9b22928fd388f593b6db6995 [2022-10-17 16:37:35,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:35,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:35,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:35,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:35,061 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:35,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i [2022-10-17 16:37:35,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/data/0e872ac77/4ed097e511c64b3e9cab33b4dafd8487/FLAG554dd6439 [2022-10-17 16:37:35,673 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:35,674 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/sv-benchmarks/c/array-memsafety/openbsd_cmemrchr-alloca-2.i [2022-10-17 16:37:35,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/data/0e872ac77/4ed097e511c64b3e9cab33b4dafd8487/FLAG554dd6439 [2022-10-17 16:37:35,972 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/data/0e872ac77/4ed097e511c64b3e9cab33b4dafd8487 [2022-10-17 16:37:35,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:35,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:35,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:35,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:35,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:35,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:35" (1/1) ... [2022-10-17 16:37:35,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34575bbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:35, skipping insertion in model container [2022-10-17 16:37:35,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:35" (1/1) ... [2022-10-17 16:37:35,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:36,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:36,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:36,441 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:36,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:36,525 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:36,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36 WrapperNode [2022-10-17 16:37:36,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:36,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:36,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:36,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:36,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,581 INFO L138 Inliner]: procedures = 117, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2022-10-17 16:37:36,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:36,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:36,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:36,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:36,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,629 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:36,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:36,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:36,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:36,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:36,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:36,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:36,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43de21ce-d11a-4f28-bd14-b52dc161a8cf/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:37:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:37:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:37:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:37:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:36,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:36,841 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:36,843 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:37,075 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:37,168 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:37,168 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:37:37,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:37 BoogieIcfgContainer [2022-10-17 16:37:37,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:37,174 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:37,174 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:37,184 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:37,184 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:37" (1/1) ... [2022-10-17 16:37:37,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:37,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:37,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:37:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:37:37,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:37:37,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:37,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:37,545 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 16:37:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2022-10-17 16:37:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-10-17 16:37:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:37:37,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:37,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:37,861 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 16:37:38,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:38,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-10-17 16:37:38,150 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-10-17 16:37:38,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:37:38,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:38,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:38,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:38,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2022-10-17 16:37:38,984 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2022-10-17 16:37:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:37:38,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:38,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:39,173 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 16:37:39,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-10-17 16:37:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-10-17 16:37:39,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:37:39,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:39,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:39,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:39,410 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 16:37:39,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-10-17 16:37:39,556 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-10-17 16:37:39,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:37:39,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:39,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2022-10-17 16:37:40,023 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-10-17 16:37:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:37:40,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:40,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:40,564 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 16:37:41,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:41,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-10-17 16:37:41,672 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-10-17 16:37:41,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:37:41,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:41,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:41,925 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 16:37:42,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-10-17 16:37:42,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-10-17 16:37:42,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:37:42,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:42,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2022-10-17 16:37:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2022-10-17 16:37:44,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:37:44,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:44,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:44,327 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 16:37:45,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2022-10-17 16:37:45,922 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2022-10-17 16:37:45,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:37:45,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:45,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:46,584 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:48,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:48,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2022-10-17 16:37:48,142 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2022-10-17 16:37:48,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:37:48,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:48,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:48,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:49,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2022-10-17 16:37:49,778 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2022-10-17 16:37:49,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:37:49,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:49,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:37:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:50,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2022-10-17 16:37:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2022-10-17 16:37:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:37:50,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:50,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:50,964 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 16:37:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2022-10-17 16:37:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2022-10-17 16:37:51,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:37:51,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:51,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:53,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2022-10-17 16:37:53,717 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2022-10-17 16:37:53,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:37:53,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:53,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 50 states and 90 transitions. [2022-10-17 16:37:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2022-10-17 16:37:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:37:57,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:37:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 52 states and 97 transitions. [2022-10-17 16:37:59,500 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2022-10-17 16:37:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:37:59,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:59,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:38:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 98 transitions. [2022-10-17 16:38:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 98 transitions. [2022-10-17 16:38:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:38:00,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:00,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:00,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:38:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:01,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2022-10-17 16:38:01,479 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2022-10-17 16:38:01,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:38:01,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:01,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:38:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:05,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 57 states and 104 transitions. [2022-10-17 16:38:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2022-10-17 16:38:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:38:05,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:38:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:38:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:38:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 58 states and 105 transitions. [2022-10-17 16:38:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 105 transitions. [2022-10-17 16:38:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:38:07,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:38:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:38:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat