./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:47,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:47,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:08:47,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:08:47,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:08:47,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:47,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:47,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:47,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:47,760 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:47,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:47,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:47,762 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:08:47,763 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:08:47,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:08:47,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:47,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:47,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:47,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:47,766 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:08:47,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:47,767 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:47,768 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:47,768 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:47,769 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:47,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:47,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:47,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:47,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:47,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:47,772 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:08:47,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:08:47,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:47,774 INFO L153 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_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af2afe79961dd67a52df68c35bd4350c760cf29ba0bba6313951f2194d2dea76 [2023-11-19 03:08:48,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:48,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:48,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:48,126 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:48,127 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:48,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2023-11-19 03:08:51,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:51,526 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:51,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c [2023-11-19 03:08:51,542 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/data/b2bacf95b/0c5257af83a94aea81e5e69838134995/FLAG224b5e67e [2023-11-19 03:08:51,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/data/b2bacf95b/0c5257af83a94aea81e5e69838134995 [2023-11-19 03:08:51,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:51,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:51,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:51,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:51,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:51,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:51" (1/1) ... [2023-11-19 03:08:51,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38322b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:51, skipping insertion in model container [2023-11-19 03:08:51,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:51" (1/1) ... [2023-11-19 03:08:51,927 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:52,241 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2023-11-19 03:08:52,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:52,263 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:52,273 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2023-11-19 03:08:52,274 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [155] [2023-11-19 03:08:52,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [197] [2023-11-19 03:08:52,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [563] [2023-11-19 03:08:52,275 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2023-11-19 03:08:52,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [868] [2023-11-19 03:08:52,276 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [972] [2023-11-19 03:08:52,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1007] [2023-11-19 03:08:52,386 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/sv-benchmarks/c/product-lines/minepump_spec2_product54.cil.c[19335,19348] [2023-11-19 03:08:52,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:52,413 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:52,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52 WrapperNode [2023-11-19 03:08:52,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:52,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:52,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:52,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:52,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,494 INFO L138 Inliner]: procedures = 58, calls = 104, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 227 [2023-11-19 03:08:52,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:52,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:52,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:52,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:52,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,516 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:52,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:52,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:52,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:52,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:52" (1/1) ... [2023-11-19 03:08:52,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:52,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:52,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:52,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b4a9a66-ca5a-4cf3-ac37-2597e0717b09/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 03:08:52,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 03:08:52,606 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 03:08:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 03:08:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 03:08:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 03:08:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 03:08:52,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 03:08:52,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 03:08:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 03:08:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 03:08:52,608 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 03:08:52,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 03:08:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-19 03:08:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 03:08:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 03:08:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:08:52,609 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 03:08:52,609 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 03:08:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:52,693 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:52,696 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:52,992 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:53,196 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:53,197 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:08:53,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:53 BoogieIcfgContainer [2023-11-19 03:08:53,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:53,203 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:53,204 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:53,215 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:53,215 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:53" (1/1) ... [2023-11-19 03:08:53,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2023-11-19 03:08:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-11-19 03:08:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:08:53,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:53,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:53,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:53,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 69 states and 90 transitions. [2023-11-19 03:08:53,536 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2023-11-19 03:08:53,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:08:53,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:53,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:53,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 71 states and 93 transitions. [2023-11-19 03:08:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2023-11-19 03:08:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:08:53,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:53,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:53,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:54,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:54,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 80 states and 110 transitions. [2023-11-19 03:08:54,062 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 110 transitions. [2023-11-19 03:08:54,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:08:54,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:54,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:54,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 94 states and 139 transitions. [2023-11-19 03:08:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2023-11-19 03:08:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:08:54,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:54,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:55,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 110 states and 175 transitions. [2023-11-19 03:08:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 175 transitions. [2023-11-19 03:08:55,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:08:55,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:55,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:55,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 112 states and 177 transitions. [2023-11-19 03:08:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 177 transitions. [2023-11-19 03:08:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:08:55,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:55,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:08:56,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:56,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 122 states and 195 transitions. [2023-11-19 03:08:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 195 transitions. [2023-11-19 03:08:56,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:08:56,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:56,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:56,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:56,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:56,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 124 states and 199 transitions. [2023-11-19 03:08:56,672 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 199 transitions. [2023-11-19 03:08:56,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:08:56,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:56,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:57,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:58,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 139 states and 237 transitions. [2023-11-19 03:08:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 237 transitions. [2023-11-19 03:08:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:08:58,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:58,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:58,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:59,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:59,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 139 states and 233 transitions. [2023-11-19 03:08:59,251 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 233 transitions. [2023-11-19 03:08:59,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:08:59,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:59,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:08:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:59,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 141 states and 235 transitions. [2023-11-19 03:08:59,422 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 235 transitions. [2023-11-19 03:08:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:08:59,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:59,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:59,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:08:59,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 150 states and 256 transitions. [2023-11-19 03:08:59,950 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 256 transitions. [2023-11-19 03:08:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:08:59,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:59,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 151 states and 256 transitions. [2023-11-19 03:09:00,024 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 256 transitions. [2023-11-19 03:09:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:09:00,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:00,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 153 states and 260 transitions. [2023-11-19 03:09:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 260 transitions. [2023-11-19 03:09:00,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:09:00,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:00,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:00,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:01,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 155 states and 263 transitions. [2023-11-19 03:09:01,043 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 263 transitions. [2023-11-19 03:09:01,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:09:01,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:01,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:09:01,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:01,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 156 states and 266 transitions. [2023-11-19 03:09:01,805 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 266 transitions. [2023-11-19 03:09:01,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:09:01,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:01,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:02,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:02,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 158 states and 266 transitions. [2023-11-19 03:09:02,261 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 266 transitions. [2023-11-19 03:09:02,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:09:02,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:02,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:02,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:02,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:02,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 159 states and 268 transitions. [2023-11-19 03:09:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 268 transitions. [2023-11-19 03:09:02,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:09:02,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:02,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:02,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 160 states and 269 transitions. [2023-11-19 03:09:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 269 transitions. [2023-11-19 03:09:02,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:09:02,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:02,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:03,380 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:09:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:04,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 163 states and 278 transitions. [2023-11-19 03:09:04,597 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 278 transitions. [2023-11-19 03:09:04,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:09:04,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:04,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:04,640 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:09:05,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:05,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 169 states and 294 transitions. [2023-11-19 03:09:05,397 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 294 transitions. [2023-11-19 03:09:05,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:09:05,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:05,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:05,486 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:06,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 177 states and 309 transitions. [2023-11-19 03:09:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 309 transitions. [2023-11-19 03:09:06,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:09:06,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:06,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:09:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 178 states and 310 transitions. [2023-11-19 03:09:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 310 transitions. [2023-11-19 03:09:06,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:09:06,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:06,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:09:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:07,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 179 states and 311 transitions. [2023-11-19 03:09:07,227 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 311 transitions. [2023-11-19 03:09:07,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:09:07,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:07,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:09:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:07,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 184 states and 323 transitions. [2023-11-19 03:09:07,791 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 323 transitions. [2023-11-19 03:09:07,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:09:07,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:07,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:09:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 186 states and 327 transitions. [2023-11-19 03:09:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 327 transitions. [2023-11-19 03:09:08,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:09:08,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:08,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:08,291 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:09:08,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:08,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 188 states and 333 transitions. [2023-11-19 03:09:08,643 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 333 transitions. [2023-11-19 03:09:08,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:09:08,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:08,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:08,829 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:09,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 190 states and 339 transitions. [2023-11-19 03:09:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 339 transitions. [2023-11-19 03:09:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:09:09,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:09,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:09,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:09,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 195 states and 348 transitions. [2023-11-19 03:09:09,888 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 348 transitions. [2023-11-19 03:09:09,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 03:09:09,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:09,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:10,065 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:09:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 217 states and 417 transitions. [2023-11-19 03:09:13,388 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 417 transitions. [2023-11-19 03:09:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:09:13,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:13,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:09:15,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:15,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 223 states and 427 transitions. [2023-11-19 03:09:15,597 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 427 transitions. [2023-11-19 03:09:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:09:15,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:15,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:15,702 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:15,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 225 states and 432 transitions. [2023-11-19 03:09:15,981 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 432 transitions. [2023-11-19 03:09:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:09:15,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:15,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:16,042 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:09:17,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 233 states and 450 transitions. [2023-11-19 03:09:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 450 transitions. [2023-11-19 03:09:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:09:17,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:09:22,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:22,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 246 states and 490 transitions. [2023-11-19 03:09:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 490 transitions. [2023-11-19 03:09:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:09:22,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:22,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:09:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:22,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 248 states and 495 transitions. [2023-11-19 03:09:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 495 transitions. [2023-11-19 03:09:22,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:09:22,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:22,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:09:24,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:24,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 254 states and 504 transitions. [2023-11-19 03:09:24,352 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 504 transitions. [2023-11-19 03:09:24,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:09:24,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:24,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:09:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:24,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 255 states and 505 transitions. [2023-11-19 03:09:24,452 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 505 transitions. [2023-11-19 03:09:24,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:09:24,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:24,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:09:28,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:28,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 267 states and 531 transitions. [2023-11-19 03:09:28,163 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 531 transitions. [2023-11-19 03:09:28,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 03:09:28,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:28,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:28,340 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:09:28,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:28,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 267 states and 528 transitions. [2023-11-19 03:09:28,399 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 528 transitions. [2023-11-19 03:09:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:09:28,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:28,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:29,945 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:09:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:39,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 282 states and 574 transitions. [2023-11-19 03:09:39,577 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 574 transitions. [2023-11-19 03:09:39,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 03:09:39,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:39,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:09:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.