./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/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_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/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_c77438b6-1f23-4463-9429-a1cdc9abc47a/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 4d13ffd2557e7d7902d8a5eac414f9fb7393252d85c14855e86000741be6847f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:34,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:34,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:34:34,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:34,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:34,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:34,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:34,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:34,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:34,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:34,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:34,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:34,407 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:34,407 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:34,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:34,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:34,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:34,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:34,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:34,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:34,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:34,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:34,414 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:34,415 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:34,415 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:34,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:34,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:34,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:34,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:34,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:34,420 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:34,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:34,421 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:34,422 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_c77438b6-1f23-4463-9429-a1cdc9abc47a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d13ffd2557e7d7902d8a5eac414f9fb7393252d85c14855e86000741be6847f [2023-11-19 03:34:34,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:34,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:34,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:34,797 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:34,797 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:34,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c [2023-11-19 03:34:38,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:38,690 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:38,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c [2023-11-19 03:34:38,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL/data/421056118/022e75e3237c4906a7355739ea26bf39/FLAGacc2382ec [2023-11-19 03:34:38,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL/data/421056118/022e75e3237c4906a7355739ea26bf39 [2023-11-19 03:34:38,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:38,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:38,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:38,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:38,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:38,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:38,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7810376d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:38, skipping insertion in model container [2023-11-19 03:34:38,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:38" (1/1) ... [2023-11-19 03:34:38,809 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:39,027 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_c77438b6-1f23-4463-9429-a1cdc9abc47a/sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c[1605,1618] [2023-11-19 03:34:39,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:39,195 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:39,208 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-19 03:34:39,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [58] [2023-11-19 03:34:39,210 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [95] [2023-11-19 03:34:39,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [461] [2023-11-19 03:34:39,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [570] [2023-11-19 03:34:39,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [608] [2023-11-19 03:34:39,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [861] [2023-11-19 03:34:39,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [929] [2023-11-19 03:34:39,217 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_c77438b6-1f23-4463-9429-a1cdc9abc47a/sv-benchmarks/c/product-lines/minepump_spec3_product62.cil.c[1605,1618] [2023-11-19 03:34:39,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:39,451 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:39,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39 WrapperNode [2023-11-19 03:34:39,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:39,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:39,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:39,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:39,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,556 INFO L138 Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 230 [2023-11-19 03:34:39,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:39,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:39,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:39,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:39,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:39,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:39,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:39,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:39,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:39" (1/1) ... [2023-11-19 03:34:39,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:39,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:39,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:39,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c77438b6-1f23-4463-9429-a1cdc9abc47a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:39,739 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 03:34:39,740 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 03:34:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 03:34:39,740 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 03:34:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 03:34:39,741 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 03:34:39,741 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 03:34:39,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 03:34:39,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 03:34:39,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 03:34:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 03:34:39,743 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 03:34:39,743 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 03:34:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 03:34:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-19 03:34:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-19 03:34:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 03:34:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 03:34:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 03:34:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 03:34:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:39,902 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:39,906 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:40,365 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:40,526 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:40,527 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:34:40,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:40 BoogieIcfgContainer [2023-11-19 03:34:40,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:40,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:40,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:40,550 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:40,550 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:40" (1/1) ... [2023-11-19 03:34:40,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:40,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:40,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2023-11-19 03:34:40,642 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2023-11-19 03:34:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:34:40,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:40,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:40,985 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 03:34:41,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:41,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 75 states and 97 transitions. [2023-11-19 03:34:41,088 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2023-11-19 03:34:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:34:41,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:41,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:41,317 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 03:34:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:41,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 77 states and 100 transitions. [2023-11-19 03:34:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2023-11-19 03:34:41,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:34:41,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:41,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:41,677 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 03:34:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 86 states and 117 transitions. [2023-11-19 03:34:41,895 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 117 transitions. [2023-11-19 03:34:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:34:41,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:41,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:42,043 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 03:34:42,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 87 states and 118 transitions. [2023-11-19 03:34:42,091 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 118 transitions. [2023-11-19 03:34:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:34:42,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:42,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:42,506 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 03:34:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:43,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 101 states and 148 transitions. [2023-11-19 03:34:43,393 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 148 transitions. [2023-11-19 03:34:43,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:34:43,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:43,565 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 03:34:43,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:43,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 149 transitions. [2023-11-19 03:34:43,601 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2023-11-19 03:34:43,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:34:43,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:43,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:43,808 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 03:34:44,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 114 states and 178 transitions. [2023-11-19 03:34:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 178 transitions. [2023-11-19 03:34:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:34:44,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:44,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:44,915 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 03:34:44,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 115 states and 179 transitions. [2023-11-19 03:34:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 179 transitions. [2023-11-19 03:34:44,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:34:44,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:44,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:45,085 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 03:34:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:45,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 117 states and 185 transitions. [2023-11-19 03:34:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 185 transitions. [2023-11-19 03:34:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:34:45,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:45,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:45,596 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 03:34:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:46,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 123 states and 201 transitions. [2023-11-19 03:34:46,291 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 201 transitions. [2023-11-19 03:34:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:34:46,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:46,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:34:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 130 states and 213 transitions. [2023-11-19 03:34:46,953 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 213 transitions. [2023-11-19 03:34:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:34:46,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:46,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:47,018 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 03:34:47,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:47,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 130 states and 212 transitions. [2023-11-19 03:34:47,076 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 212 transitions. [2023-11-19 03:34:47,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:34:47,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:47,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:47,170 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 03:34:47,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 132 states and 216 transitions. [2023-11-19 03:34:47,239 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 216 transitions. [2023-11-19 03:34:47,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:34:47,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:47,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:47,582 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 03:34:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:49,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 149 states and 263 transitions. [2023-11-19 03:34:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 263 transitions. [2023-11-19 03:34:49,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:34:49,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:49,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:50,098 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 03:34:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:52,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 162 states and 300 transitions. [2023-11-19 03:34:52,863 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 300 transitions. [2023-11-19 03:34:52,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:34:52,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:52,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:53,151 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 03:34:54,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 164 states and 304 transitions. [2023-11-19 03:34:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 304 transitions. [2023-11-19 03:34:54,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:34:54,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:54,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:54,510 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 03:34:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:55,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 170 states and 319 transitions. [2023-11-19 03:34:55,535 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 319 transitions. [2023-11-19 03:34:55,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:34:55,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:55,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:55,648 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 03:34:55,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:55,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 171 states and 320 transitions. [2023-11-19 03:34:55,918 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 320 transitions. [2023-11-19 03:34:55,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:34:55,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:55,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:56,602 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 03:34:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 184 states and 347 transitions. [2023-11-19 03:34:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 347 transitions. [2023-11-19 03:34:59,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:34:59,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:59,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:34:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:59,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 185 states and 348 transitions. [2023-11-19 03:34:59,945 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 348 transitions. [2023-11-19 03:34:59,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:34:59,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:59,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:34:59,992 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 03:35:00,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:00,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 187 states and 352 transitions. [2023-11-19 03:35:00,676 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 352 transitions. [2023-11-19 03:35:00,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:35:00,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:00,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:00,984 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 03:35:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 191 states and 365 transitions. [2023-11-19 03:35:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 365 transitions. [2023-11-19 03:35:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:35:02,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:02,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:02,575 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 03:35:03,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:03,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 192 states and 366 transitions. [2023-11-19 03:35:03,080 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 366 transitions. [2023-11-19 03:35:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:35:03,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:03,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:03,139 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 03:35:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 194 states and 370 transitions. [2023-11-19 03:35:03,721 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 370 transitions. [2023-11-19 03:35:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:35:03,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:03,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:03,767 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 03:35:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 196 states and 374 transitions. [2023-11-19 03:35:04,026 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 374 transitions. [2023-11-19 03:35:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:35:04,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:04,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:04,231 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:35:05,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:05,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 198 states and 379 transitions. [2023-11-19 03:35:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 379 transitions. [2023-11-19 03:35:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:35:05,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:05,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:05,164 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 03:35:05,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:05,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 200 states and 383 transitions. [2023-11-19 03:35:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 383 transitions. [2023-11-19 03:35:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:35:05,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:05,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:05,731 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 03:35:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:05,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 202 states and 387 transitions. [2023-11-19 03:35:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 387 transitions. [2023-11-19 03:35:05,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:35:05,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:05,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:06,522 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 03:35:11,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 214 states and 430 transitions. [2023-11-19 03:35:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 430 transitions. [2023-11-19 03:35:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 03:35:11,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:11,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:12,330 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 03:35:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:13,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 214 states and 428 transitions. [2023-11-19 03:35:13,236 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 428 transitions. [2023-11-19 03:35:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-19 03:35:13,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:13,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:13,520 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 03:35:17,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 228 states and 468 transitions. [2023-11-19 03:35:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 468 transitions. [2023-11-19 03:35:17,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 03:35:17,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:17,804 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 03:35:19,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 233 states and 476 transitions. [2023-11-19 03:35:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 476 transitions. [2023-11-19 03:35:19,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:35:19,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:19,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:20,047 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.