./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product61.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_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/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_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/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_8d69b37b-c248-400d-bcba-0c0a13b22c73/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 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:49,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:49,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:56:49,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:49,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:49,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:49,544 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:49,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:49,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:49,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:49,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:49,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:49,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:49,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:49,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:49,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:49,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:49,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:49,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:49,556 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:49,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:49,557 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:49,557 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:49,558 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:49,558 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:49,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:49,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:49,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:49,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:49,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:49,562 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:49,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:49,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:49,563 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_8d69b37b-c248-400d-bcba-0c0a13b22c73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 [2023-11-19 02:56:49,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:49,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:49,952 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:49,953 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:49,954 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:49,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2023-11-19 02:56:53,006 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:53,282 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:53,283 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2023-11-19 02:56:53,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL/data/eb4c71317/af56075f321140d4a8fa37b6d0d93d0e/FLAGffed9583b [2023-11-19 02:56:53,329 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL/data/eb4c71317/af56075f321140d4a8fa37b6d0d93d0e [2023-11-19 02:56:53,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:53,336 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:53,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:53,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:53,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:53,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eee45b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53, skipping insertion in model container [2023-11-19 02:56:53,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,398 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:53,654 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_8d69b37b-c248-400d-bcba-0c0a13b22c73/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2023-11-19 02:56:53,721 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:53,732 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:53,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-19 02:56:53,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [118] [2023-11-19 02:56:53,744 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [368] [2023-11-19 02:56:53,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [472] [2023-11-19 02:56:53,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [481] [2023-11-19 02:56:53,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [580] [2023-11-19 02:56:53,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [614] [2023-11-19 02:56:53,746 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [649] [2023-11-19 02:56:53,765 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_8d69b37b-c248-400d-bcba-0c0a13b22c73/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2023-11-19 02:56:53,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:53,826 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:53,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53 WrapperNode [2023-11-19 02:56:53,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:53,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:53,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:53,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:53,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,850 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,878 INFO L138 Inliner]: procedures = 57, calls = 105, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 227 [2023-11-19 02:56:53,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:53,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:53,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:53,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:53,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:53,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:53,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:53,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:53,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:53" (1/1) ... [2023-11-19 02:56:53,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:53,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:53,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:54,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d69b37b-c248-400d-bcba-0c0a13b22c73/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:54,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 02:56:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 02:56:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 02:56:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 02:56:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 02:56:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 02:56:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 02:56:54,030 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 02:56:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 02:56:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 02:56:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 02:56:54,032 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 02:56:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 02:56:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 02:56:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-19 02:56:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-19 02:56:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 02:56:54,033 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 02:56:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 02:56:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 02:56:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:54,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:54,118 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:54,121 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:54,424 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:54,634 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:54,634 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:56:54,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:54 BoogieIcfgContainer [2023-11-19 02:56:54,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:54,643 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:54,643 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:54,659 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:54,659 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:54" (1/1) ... [2023-11-19 02:56:54,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:54,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:54,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2023-11-19 02:56:54,730 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2023-11-19 02:56:54,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:56:54,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:54,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:54,970 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 02:56:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:55,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 75 states and 97 transitions. [2023-11-19 02:56:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2023-11-19 02:56:55,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:56:55,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:55,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:55,217 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 02:56:55,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 77 states and 100 transitions. [2023-11-19 02:56:55,254 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2023-11-19 02:56:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:55,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:55,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:55,475 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 02:56:55,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:55,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 86 states and 117 transitions. [2023-11-19 02:56:55,671 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2023-11-19 02:56:55,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:56:55,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:55,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:55,838 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 02:56:55,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:55,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 87 states and 118 transitions. [2023-11-19 02:56:55,876 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2023-11-19 02:56:55,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:56:55,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:55,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:55,988 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 02:56:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 88 states and 119 transitions. [2023-11-19 02:56:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2023-11-19 02:56:56,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:56:56,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:56,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:56,192 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 02:56:56,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:56,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 100 states and 143 transitions. [2023-11-19 02:56:56,602 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2023-11-19 02:56:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:56:56,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:56,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:56,677 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 02:56:56,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:56,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 100 states and 142 transitions. [2023-11-19 02:56:56,700 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 142 transitions. [2023-11-19 02:56:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:56:56,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:56,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:56,780 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 02:56:56,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:56,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 102 states and 146 transitions. [2023-11-19 02:56:56,838 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 146 transitions. [2023-11-19 02:56:56,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:56:56,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:56,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:57,044 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 02:56:57,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:57,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 119 states and 184 transitions. [2023-11-19 02:56:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2023-11-19 02:56:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:56:57,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:57,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:58,264 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 02:56:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 132 states and 211 transitions. [2023-11-19 02:56:59,490 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 211 transitions. [2023-11-19 02:56:59,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:56:59,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:59,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:59,909 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 02:57:02,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 149 states and 256 transitions. [2023-11-19 02:57:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 256 transitions. [2023-11-19 02:57:02,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:57:02,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,245 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 02:57:02,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 152 states and 262 transitions. [2023-11-19 02:57:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 262 transitions. [2023-11-19 02:57:02,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:57:02,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,654 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 02:57:02,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 153 states and 263 transitions. [2023-11-19 02:57:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 263 transitions. [2023-11-19 02:57:02,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 02:57:02,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:03,471 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 02:57:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 166 states and 290 transitions. [2023-11-19 02:57:05,684 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 290 transitions. [2023-11-19 02:57:05,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:57:05,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:05,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:05,769 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 02:57:06,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 172 states and 306 transitions. [2023-11-19 02:57:06,635 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 306 transitions. [2023-11-19 02:57:06,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:57:06,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:06,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:06,875 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 02:57:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:07,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 176 states and 326 transitions. [2023-11-19 02:57:07,785 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 326 transitions. [2023-11-19 02:57:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:57:07,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:07,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:07,833 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 02:57:08,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 178 states and 330 transitions. [2023-11-19 02:57:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 330 transitions. [2023-11-19 02:57:08,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 02:57:08,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:08,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:08,185 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 02:57:08,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:08,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 181 states and 336 transitions. [2023-11-19 02:57:08,659 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 336 transitions. [2023-11-19 02:57:08,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:57:08,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:08,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:08,705 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 02:57:08,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:08,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 183 states and 339 transitions. [2023-11-19 02:57:08,837 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 339 transitions. [2023-11-19 02:57:08,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:57:08,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:08,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:08,880 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 02:57:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 185 states and 343 transitions. [2023-11-19 02:57:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 343 transitions. [2023-11-19 02:57:09,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 02:57:09,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:09,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:09,338 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 02:57:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:09,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 187 states and 346 transitions. [2023-11-19 02:57:09,440 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 346 transitions. [2023-11-19 02:57:09,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 02:57:09,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:09,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 02:57:10,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 192 states and 353 transitions. [2023-11-19 02:57:10,362 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 353 transitions. [2023-11-19 02:57:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:57:10,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:10,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:57:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 204 states and 396 transitions. [2023-11-19 02:57:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 396 transitions. [2023-11-19 02:57:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 02:57:14,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:14,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:15,452 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:57:16,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 204 states and 394 transitions. [2023-11-19 02:57:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 394 transitions. [2023-11-19 02:57:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 02:57:16,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:16,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 02:57:18,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:18,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 211 states and 423 transitions. [2023-11-19 02:57:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 423 transitions. [2023-11-19 02:57:18,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:57:18,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:18,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:57:19,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:19,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 215 states and 439 transitions. [2023-11-19 02:57:19,379 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 439 transitions. [2023-11-19 02:57:19,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 02:57:19,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:19,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:57:19,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 216 states and 442 transitions. [2023-11-19 02:57:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 442 transitions. [2023-11-19 02:57:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 02:57:19,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:19,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:57:24,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 224 states and 466 transitions. [2023-11-19 02:57:24,119 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 466 transitions. [2023-11-19 02:57:24,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:57:24,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:24,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:24,247 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:57:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:24,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 225 states and 468 transitions. [2023-11-19 02:57:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 468 transitions. [2023-11-19 02:57:24,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 02:57:24,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:24,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-19 02:57:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 230 states and 476 transitions. [2023-11-19 02:57:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 476 transitions. [2023-11-19 02:57:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-19 02:57:26,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:26,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 02:57:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 233 states and 481 transitions. [2023-11-19 02:57:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 481 transitions. [2023-11-19 02:57:26,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:57:26,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:26,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:26,828 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 02:57:27,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 234 states and 482 transitions. [2023-11-19 02:57:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 482 transitions. [2023-11-19 02:57:27,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 02:57:27,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:27,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:28,036 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:57:32,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:32,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 243 states and 522 transitions. [2023-11-19 02:57:32,848 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 522 transitions. [2023-11-19 02:57:32,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 02:57:32,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:32,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-19 02:57:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:32,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 246 states and 528 transitions. [2023-11-19 02:57:32,997 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 528 transitions. [2023-11-19 02:57:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 02:57:33,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:33,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 02:57:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 246 states and 528 transitions. [2023-11-19 02:57:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 528 transitions. [2023-11-19 02:57:33,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 02:57:33,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:33,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:33,568 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:57:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:36,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 253 states and 541 transitions. [2023-11-19 02:57:36,258 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 541 transitions. [2023-11-19 02:57:36,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:57:36,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:36,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 02:57:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 266 states and 558 transitions. [2023-11-19 02:57:38,223 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 558 transitions. [2023-11-19 02:57:38,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:57:38,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:38,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:38,348 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 02:57:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:39,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 267 states and 558 transitions. [2023-11-19 02:57:39,006 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 558 transitions. [2023-11-19 02:57:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 02:57:39,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:39,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:39,187 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 02:57:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:39,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 267 states and 558 transitions. [2023-11-19 02:57:39,247 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 558 transitions. [2023-11-19 02:57:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 02:57:39,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:39,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:39,517 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:57:39,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:39,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 268 states and 559 transitions. [2023-11-19 02:57:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 559 transitions. [2023-11-19 02:57:39,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:57:39,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:39,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:39,827 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.