./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4 --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 64bit --witnessprinter.graph.data.programhash ddb0eb207fb72f46b2f9a0f11e334a77be9b4b455314fd1b26a90347e4178746 --- 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-2329fc7 [2022-12-14 18:58:43,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:58:43,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:58:43,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:58:43,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:58:43,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:58:43,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:58:43,562 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:58:43,564 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:58:43,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:58:43,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:58:43,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:58:43,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:58:43,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:58:43,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:58:43,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:58:43,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:58:43,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:58:43,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:58:43,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:58:43,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:58:43,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:58:43,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:58:43,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:58:43,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:58:43,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:58:43,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:58:43,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:58:43,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:58:43,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:58:43,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:58:43,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:58:43,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:58:43,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:58:43,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:58:43,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:58:43,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:58:43,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:58:43,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:58:43,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:58:43,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:58:43,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 18:58:43,615 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:58:43,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:58:43,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:58:43,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:58:43,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:58:43,617 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:58:43,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:58:43,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:58:43,617 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:58:43,618 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:58:43,618 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:58:43,618 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:58:43,618 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:58:43,618 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:58:43,619 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:58:43,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:58:43,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:58:43,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:58:43,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:58:43,620 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:58:43,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:58:43,620 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_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddb0eb207fb72f46b2f9a0f11e334a77be9b4b455314fd1b26a90347e4178746 [2022-12-14 18:58:43,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:58:43,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:58:43,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:58:43,870 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:58:43,870 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:58:43,871 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2022-12-14 18:58:46,467 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:58:46,662 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:58:46,662 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpncpy-alloca-2.i [2022-12-14 18:58:46,672 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/data/d7cc2ec05/045aa64fed204e4498e3d594d829e6c1/FLAG184e5452d [2022-12-14 18:58:47,052 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/data/d7cc2ec05/045aa64fed204e4498e3d594d829e6c1 [2022-12-14 18:58:47,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:58:47,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:58:47,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:58:47,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:58:47,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:58:47,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@282c57ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47, skipping insertion in model container [2022-12-14 18:58:47,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:58:47,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:58:47,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:58:47,269 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:58:47,295 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:58:47,310 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:58:47,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47 WrapperNode [2022-12-14 18:58:47,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:58:47,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:58:47,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:58:47,312 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:58:47,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,339 INFO L138 Inliner]: procedures = 113, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2022-12-14 18:58:47,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:58:47,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:58:47,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:58:47,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:58:47,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,355 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:58:47,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:58:47,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:58:47,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:58:47,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:58:47,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:58:47,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:58:47,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6636b208-928d-4e24-87ae-ea733eaf7daf/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:58:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:58:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:58:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 18:58:47,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 18:58:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 18:58:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 18:58:47,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:58:47,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:58:47,490 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:58:47,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:58:47,671 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:58:47,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:58:47,711 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 18:58:47,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:47 BoogieIcfgContainer [2022-12-14 18:58:47,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:58:47,714 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:58:47,714 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:58:47,722 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:58:47,722 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:47" (1/1) ... [2022-12-14 18:58:47,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:58:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:47,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 40 states and 45 transitions. [2022-12-14 18:58:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2022-12-14 18:58:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 18:58:47,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:47,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:48,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 39 states and 44 transitions. [2022-12-14 18:58:48,002 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-12-14 18:58:48,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 18:58:48,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:48,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:48,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 38 states and 43 transitions. [2022-12-14 18:58:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-12-14 18:58:48,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 18:58:48,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:48,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:48,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2022-12-14 18:58:48,389 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2022-12-14 18:58:48,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 18:58:48,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:48,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:48,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 36 states and 41 transitions. [2022-12-14 18:58:48,552 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2022-12-14 18:58:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:58:48,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:48,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:48,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:48,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 37 states and 42 transitions. [2022-12-14 18:58:48,595 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2022-12-14 18:58:48,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:58:48,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:48,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:48,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2022-12-14 18:58:48,691 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-12-14 18:58:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:58:48,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:48,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:48,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:48,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2022-12-14 18:58:48,726 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-12-14 18:58:48,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:58:48,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:48,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:48,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2022-12-14 18:58:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-12-14 18:58:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:58:48,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:48,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:49,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:49,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2022-12-14 18:58:49,437 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-12-14 18:58:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:58:49,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:49,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:49,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:49,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2022-12-14 18:58:49,473 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2022-12-14 18:58:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:58:49,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:49,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:49,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2022-12-14 18:58:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2022-12-14 18:58:49,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:58:49,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:49,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2022-12-14 18:58:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-12-14 18:58:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:58:49,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:49,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:49,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:49,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2022-12-14 18:58:49,632 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-12-14 18:58:49,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:58:49,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:49,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:49,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:50,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-12-14 18:58:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-14 18:58:50,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 18:58:50,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:50,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2022-12-14 18:58:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-12-14 18:58:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:58:52,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:52,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:52,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:54,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 49 transitions. [2022-12-14 18:58:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-12-14 18:58:54,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:58:54,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:54,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:58:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:58:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2022-12-14 18:58:59,012 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-12-14 18:58:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:58:59,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:58:59,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:58:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:58:59,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:00,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:00,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2022-12-14 18:59:00,039 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-12-14 18:59:00,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:59:00,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:00,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:01,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 52 states and 72 transitions. [2022-12-14 18:59:01,099 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2022-12-14 18:59:01,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:59:01,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:01,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:01,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2022-12-14 18:59:01,130 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2022-12-14 18:59:01,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 18:59:01,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:01,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:01,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:01,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 54 states and 80 transitions. [2022-12-14 18:59:01,193 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 80 transitions. [2022-12-14 18:59:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:59:01,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:01,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:01,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:06,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2022-12-14 18:59:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2022-12-14 18:59:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:59:06,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:06,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:15,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:15,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 68 states and 112 transitions. [2022-12-14 18:59:15,140 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 112 transitions. [2022-12-14 18:59:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 18:59:15,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:15,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:15,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2022-12-14 18:59:17,913 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2022-12-14 18:59:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:59:17,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:17,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 73 states and 122 transitions. [2022-12-14 18:59:17,947 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 122 transitions. [2022-12-14 18:59:17,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:59:17,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:17,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:18,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:18,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2022-12-14 18:59:18,018 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2022-12-14 18:59:18,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:59:18,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:18,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:21,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:21,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 81 states and 143 transitions. [2022-12-14 18:59:21,304 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 143 transitions. [2022-12-14 18:59:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:59:21,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:21,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:38,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:38,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 89 states and 171 transitions. [2022-12-14 18:59:38,119 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 171 transitions. [2022-12-14 18:59:38,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:59:38,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:38,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:38,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:40,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:45,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:45,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 93 states and 182 transitions. [2022-12-14 18:59:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 182 transitions. [2022-12-14 18:59:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 18:59:45,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:45,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:48,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 96 states and 188 transitions. [2022-12-14 18:59:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 188 transitions. [2022-12-14 18:59:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 18:59:48,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:48,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:48,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:59:53,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:53,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 99 states and 195 transitions. [2022-12-14 18:59:53,504 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 195 transitions. [2022-12-14 18:59:53,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:59:53,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:53,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:53,527 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:59:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:55,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 102 states and 198 transitions. [2022-12-14 18:59:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 198 transitions. [2022-12-14 18:59:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 18:59:55,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:55,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 18:59:58,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:58,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 105 states and 201 transitions. [2022-12-14 18:59:58,145 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 201 transitions. [2022-12-14 18:59:58,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:59:58,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:58,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:59:58,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 18:59:58,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:59:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 106 states and 201 transitions. [2022-12-14 18:59:58,945 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 201 transitions. [2022-12-14 18:59:58,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 18:59:58,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:59:58,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:59:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:00:04,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:00:32,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:00:32,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 116 states and 240 transitions. [2022-12-14 19:00:32,608 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 240 transitions. [2022-12-14 19:00:32,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:00:32,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:00:32,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:00:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:00:32,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:00:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:00:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 117 states and 240 transitions. [2022-12-14 19:00:34,045 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 240 transitions. [2022-12-14 19:00:34,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:00:34,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:00:34,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:00:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:00:34,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:00:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:00:35,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 118 states and 243 transitions. [2022-12-14 19:00:35,765 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 243 transitions. [2022-12-14 19:00:35,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:00:35,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:00:35,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:00:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:00:36,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:00:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:00:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 120 states and 249 transitions. [2022-12-14 19:00:41,427 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 249 transitions. [2022-12-14 19:00:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:00:41,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:00:41,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:00:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:00:46,312 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:01:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:01:18,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 128 states and 276 transitions. [2022-12-14 19:01:18,485 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 276 transitions. [2022-12-14 19:01:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:01:18,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:01:18,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:01:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:01:18,531 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:01:20,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:01:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 129 states and 279 transitions. [2022-12-14 19:01:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 279 transitions. [2022-12-14 19:01:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:01:20,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:01:20,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:01:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:01:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 19:01:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:01:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 132 states and 283 transitions. [2022-12-14 19:01:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 283 transitions. [2022-12-14 19:01:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:01:24,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:01:24,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:01:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:01:29,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:02:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:02:16,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 144 states and 328 transitions. [2022-12-14 19:02:16,006 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 328 transitions. [2022-12-14 19:02:16,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:02:16,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:02:16,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:02:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:02:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:02:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:02:20,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 147 states and 334 transitions. [2022-12-14 19:02:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 334 transitions. [2022-12-14 19:02:20,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 19:02:20,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:02:20,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:02:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:02:32,333 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:03:26,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:03:26,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 156 states and 365 transitions. [2022-12-14 19:03:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 365 transitions. [2022-12-14 19:03:26,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:03:26,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:03:26,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:03:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:03:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 19:03:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:03:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 157 states and 365 transitions. [2022-12-14 19:03:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 365 transitions. [2022-12-14 19:03:28,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:03:28,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:03:28,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:03:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:03:35,359 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:03:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:03:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 160 states and 384 transitions. [2022-12-14 19:03:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 384 transitions. [2022-12-14 19:03:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:03:53,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:03:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:03:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:03:53,641 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:03:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:03:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 160 states and 383 transitions. [2022-12-14 19:03:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 383 transitions. [2022-12-14 19:03:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:03:56,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:03:56,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:03:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:03:56,817 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 19:03:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:03:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 160 states and 382 transitions. [2022-12-14 19:03:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 382 transitions. [2022-12-14 19:03:59,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:03:59,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:03:59,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:03:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:04:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:04:20,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:04:20,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 163 states and 402 transitions. [2022-12-14 19:04:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 402 transitions. [2022-12-14 19:04:20,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:04:20,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:04:20,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:04:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:04:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:04:47,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:04:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 165 states and 405 transitions. [2022-12-14 19:04:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 405 transitions. [2022-12-14 19:04:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:04:47,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:04:47,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:04:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:04:48,468 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 19:04:51,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:04:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 166 states and 406 transitions. [2022-12-14 19:04:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 406 transitions. [2022-12-14 19:04:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:04:51,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:04:51,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:04:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:04:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-14 19:04:55,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:04:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 167 states and 408 transitions. [2022-12-14 19:04:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 408 transitions. [2022-12-14 19:04:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 19:04:55,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:04:55,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:04:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:04:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:05:15,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:05:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 171 states and 423 transitions. [2022-12-14 19:05:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 423 transitions. [2022-12-14 19:05:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 19:05:15,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:05:15,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:05:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:05:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:05:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:05:29,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 174 states and 433 transitions. [2022-12-14 19:05:29,116 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 433 transitions. [2022-12-14 19:05:29,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 19:05:29,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:05:29,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:05:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:05:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:06:59,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:06:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 184 states and 471 transitions. [2022-12-14 19:06:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 471 transitions. [2022-12-14 19:06:59,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:06:59,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:06:59,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:06:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:07:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:08:03,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:08:03,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 190 states and 497 transitions. [2022-12-14 19:08:03,443 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 497 transitions. [2022-12-14 19:08:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:08:03,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:08:03,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:08:03,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:08:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:08:40,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:08:40,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 195 states and 515 transitions. [2022-12-14 19:08:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 515 transitions. [2022-12-14 19:08:40,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:08:40,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:08:40,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:08:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:08:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:09:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:52,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 203 states and 550 transitions. [2022-12-14 19:09:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 550 transitions. [2022-12-14 19:09:52,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:09:52,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:52,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 19:09:55,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 203 states and 549 transitions. [2022-12-14 19:09:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 549 transitions. [2022-12-14 19:09:55,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:09:55,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:55,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 19:09:57,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:09:57,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 204 states and 552 transitions. [2022-12-14 19:09:57,872 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 552 transitions. [2022-12-14 19:09:57,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:09:57,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:09:57,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:09:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:09:58,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 19:10:05,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:10:05,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 206 states and 555 transitions. [2022-12-14 19:10:05,442 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 555 transitions. [2022-12-14 19:10:05,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:10:05,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:10:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:10:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:10:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:11:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:11:48,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 215 states and 602 transitions. [2022-12-14 19:11:48,222 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 602 transitions. [2022-12-14 19:11:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:11:48,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:11:48,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:11:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:11:48,398 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 19:11:55,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:11:55,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 217 states and 604 transitions. [2022-12-14 19:11:55,092 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 604 transitions. [2022-12-14 19:11:55,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:11:55,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:11:55,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:11:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:11:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 19:12:01,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:12:01,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 219 states and 607 transitions. [2022-12-14 19:12:01,239 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 607 transitions. [2022-12-14 19:12:01,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:12:01,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:12:01,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:12:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:12:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:12:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:12:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 220 states and 614 transitions. [2022-12-14 19:12:14,768 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 614 transitions. [2022-12-14 19:12:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 19:12:14,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:12:14,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:12:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:12:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:13:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:13:28,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 227 states and 657 transitions. [2022-12-14 19:13:28,406 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 657 transitions. [2022-12-14 19:13:28,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 19:13:28,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:13:28,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:13:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat