./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b18268074b12ff6db81668668ee2d33af663d931f7be534d8799200934e1992a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:23:00,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:23:00,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:23:00,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:23:00,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:23:00,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:23:00,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:23:00,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:23:00,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:23:00,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:23:00,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:23:00,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:23:00,218 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:23:00,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:23:00,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:23:00,221 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:23:00,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:23:00,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:23:00,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:23:00,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:23:00,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:23:00,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:23:00,224 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:23:00,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:23:00,225 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:23:00,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:23:00,226 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:23:00,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:23:00,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:23:00,227 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:23:00,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:23:00,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:23:00,229 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:23:00,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:23:00,230 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:23:00,230 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:23:00,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:23:00,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:23:00,231 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:23:00,231 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b18268074b12ff6db81668668ee2d33af663d931f7be534d8799200934e1992a [2023-11-06 22:23:00,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:23:00,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:23:00,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:23:00,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:23:00,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:23:00,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c [2023-11-06 22:23:03,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:23:04,032 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:23:04,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c [2023-11-06 22:23:04,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/data/388b2b509/1b6a5de4aabf45eab440b5d2b2691819/FLAG41bb2fff5 [2023-11-06 22:23:04,067 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/data/388b2b509/1b6a5de4aabf45eab440b5d2b2691819 [2023-11-06 22:23:04,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:23:04,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:23:04,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:04,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:23:04,081 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:23:04,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@693dacdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04, skipping insertion in model container [2023-11-06 22:23:04,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,153 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:23:04,393 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_d423ba1e-d792-454f-b312-bae22665bba3/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2023-11-06 22:23:04,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:04,502 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:23:04,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-11-06 22:23:04,514 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [101] [2023-11-06 22:23:04,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [139] [2023-11-06 22:23:04,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [148] [2023-11-06 22:23:04,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] [2023-11-06 22:23:04,515 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [318] [2023-11-06 22:23:04,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [583] [2023-11-06 22:23:04,516 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [686] [2023-11-06 22:23:04,523 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_d423ba1e-d792-454f-b312-bae22665bba3/sv-benchmarks/c/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2023-11-06 22:23:04,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:04,599 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:23:04,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04 WrapperNode [2023-11-06 22:23:04,599 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:04,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:04,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:23:04,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:23:04,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,655 INFO L138 Inliner]: procedures = 60, calls = 109, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 246 [2023-11-06 22:23:04,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:04,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:23:04,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:23:04,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:23:04,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,670 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,683 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:23:04,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:23:04,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:23:04,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:23:04,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (1/1) ... [2023-11-06 22:23:04,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:23:04,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:04,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:04,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:23:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:23:04,773 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-06 22:23:04,773 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-06 22:23:04,773 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-06 22:23:04,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-06 22:23:04,773 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-06 22:23:04,774 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-06 22:23:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:23:04,774 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:23:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-06 22:23:04,774 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-06 22:23:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-06 22:23:04,775 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-06 22:23:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-06 22:23:04,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-06 22:23:04,775 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-06 22:23:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-06 22:23:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-06 22:23:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-06 22:23:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:23:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-06 22:23:04,777 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-06 22:23:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:23:04,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:23:04,896 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:23:04,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:23:05,400 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:23:05,412 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:23:05,413 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:23:05,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:05 BoogieIcfgContainer [2023-11-06 22:23:05,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:23:05,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:23:05,420 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:23:05,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:23:05,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:23:04" (1/3) ... [2023-11-06 22:23:05,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dad4b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:23:05, skipping insertion in model container [2023-11-06 22:23:05,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:04" (2/3) ... [2023-11-06 22:23:05,426 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dad4b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:23:05, skipping insertion in model container [2023-11-06 22:23:05,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:05" (3/3) ... [2023-11-06 22:23:05,428 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2023-11-06 22:23:05,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:23:05,450 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:23:05,519 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:23:05,528 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2f3a6bcb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:23:05,529 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:23:05,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 117 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 97 states have internal predecessors, (117), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-06 22:23:05,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 22:23:05,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:05,550 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:05,550 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:05,556 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:05,556 INFO L85 PathProgramCache]: Analyzing trace with hash 2028778160, now seen corresponding path program 1 times [2023-11-06 22:23:05,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:05,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768211338] [2023-11-06 22:23:05,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:05,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:05,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-06 22:23:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:23:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:05,836 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:23:05,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:05,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768211338] [2023-11-06 22:23:05,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768211338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:05,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:05,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:23:05,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544759485] [2023-11-06 22:23:05,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:05,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:23:05,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:05,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:23:05,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:23:05,897 INFO L87 Difference]: Start difference. First operand has 117 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 97 states have internal predecessors, (117), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:23:05,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:05,974 INFO L93 Difference]: Finished difference Result 225 states and 304 transitions. [2023-11-06 22:23:05,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:23:05,977 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-06 22:23:05,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:05,993 INFO L225 Difference]: With dead ends: 225 [2023-11-06 22:23:05,993 INFO L226 Difference]: Without dead ends: 108 [2023-11-06 22:23:06,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:23:06,009 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:06,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:06,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-06 22:23:06,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2023-11-06 22:23:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 89 states have internal predecessors, (103), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-06 22:23:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 140 transitions. [2023-11-06 22:23:06,089 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 140 transitions. Word has length 32 [2023-11-06 22:23:06,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:06,091 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 140 transitions. [2023-11-06 22:23:06,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:23:06,093 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 140 transitions. [2023-11-06 22:23:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-06 22:23:06,102 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:06,103 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:06,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:23:06,104 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:06,105 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:06,105 INFO L85 PathProgramCache]: Analyzing trace with hash -457604679, now seen corresponding path program 1 times [2023-11-06 22:23:06,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:06,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507518143] [2023-11-06 22:23:06,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:06,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:06,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 22:23:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-06 22:23:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:23:06,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:06,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507518143] [2023-11-06 22:23:06,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507518143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:06,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:06,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:06,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510346309] [2023-11-06 22:23:06,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:06,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:23:06,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:06,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:23:06,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:23:06,319 INFO L87 Difference]: Start difference. First operand 108 states and 140 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:23:06,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:06,353 INFO L93 Difference]: Finished difference Result 177 states and 229 transitions. [2023-11-06 22:23:06,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:23:06,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2023-11-06 22:23:06,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:06,358 INFO L225 Difference]: With dead ends: 177 [2023-11-06 22:23:06,358 INFO L226 Difference]: Without dead ends: 99 [2023-11-06 22:23:06,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:23:06,370 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 16 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:06,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 233 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:06,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-06 22:23:06,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-11-06 22:23:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 83 states have internal predecessors, (96), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 22:23:06,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 128 transitions. [2023-11-06 22:23:06,391 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 128 transitions. Word has length 33 [2023-11-06 22:23:06,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:06,392 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 128 transitions. [2023-11-06 22:23:06,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:23:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 128 transitions. [2023-11-06 22:23:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-06 22:23:06,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:06,396 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:06,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:23:06,399 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:06,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:06,401 INFO L85 PathProgramCache]: Analyzing trace with hash -257998862, now seen corresponding path program 1 times [2023-11-06 22:23:06,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:06,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23124354] [2023-11-06 22:23:06,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:06,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:23:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:06,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 22:23:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:23:06,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:06,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23124354] [2023-11-06 22:23:06,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23124354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:06,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:06,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:06,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999123047] [2023-11-06 22:23:06,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:06,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:23:06,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:06,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:23:06,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:23:06,544 INFO L87 Difference]: Start difference. First operand 99 states and 128 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:23:06,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:06,577 INFO L93 Difference]: Finished difference Result 280 states and 368 transitions. [2023-11-06 22:23:06,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:23:06,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2023-11-06 22:23:06,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:06,581 INFO L225 Difference]: With dead ends: 280 [2023-11-06 22:23:06,581 INFO L226 Difference]: Without dead ends: 189 [2023-11-06 22:23:06,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:23:06,583 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 103 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:06,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 261 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:06,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-11-06 22:23:06,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 186. [2023-11-06 22:23:06,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 135 states have (on average 1.3333333333333333) internal successors, (180), 154 states have internal predecessors, (180), 32 states have call successors, (32), 18 states have call predecessors, (32), 18 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2023-11-06 22:23:06,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 244 transitions. [2023-11-06 22:23:06,626 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 244 transitions. Word has length 37 [2023-11-06 22:23:06,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:06,627 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 244 transitions. [2023-11-06 22:23:06,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:23:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 244 transitions. [2023-11-06 22:23:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 22:23:06,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:06,630 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:06,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:23:06,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:06,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:06,632 INFO L85 PathProgramCache]: Analyzing trace with hash 702056680, now seen corresponding path program 1 times [2023-11-06 22:23:06,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:06,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901634350] [2023-11-06 22:23:06,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:06,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:06,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:23:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:06,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:23:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:06,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:23:06,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:06,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901634350] [2023-11-06 22:23:06,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901634350] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:06,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:06,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:23:06,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475886398] [2023-11-06 22:23:06,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:06,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:23:06,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:06,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:06,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:06,825 INFO L87 Difference]: Start difference. First operand 186 states and 244 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:23:07,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:07,109 INFO L93 Difference]: Finished difference Result 476 states and 635 transitions. [2023-11-06 22:23:07,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:23:07,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2023-11-06 22:23:07,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:07,119 INFO L225 Difference]: With dead ends: 476 [2023-11-06 22:23:07,122 INFO L226 Difference]: Without dead ends: 298 [2023-11-06 22:23:07,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:23:07,127 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 87 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:07,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 540 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:23:07,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2023-11-06 22:23:07,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 293. [2023-11-06 22:23:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 216 states have (on average 1.2777777777777777) internal successors, (276), 235 states have internal predecessors, (276), 42 states have call successors, (42), 34 states have call predecessors, (42), 34 states have return successors, (54), 37 states have call predecessors, (54), 42 states have call successors, (54) [2023-11-06 22:23:07,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 372 transitions. [2023-11-06 22:23:07,191 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 372 transitions. Word has length 41 [2023-11-06 22:23:07,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:07,192 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 372 transitions. [2023-11-06 22:23:07,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:23:07,192 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 372 transitions. [2023-11-06 22:23:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-06 22:23:07,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:07,195 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:07,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:23:07,196 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:07,196 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:07,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1444776659, now seen corresponding path program 1 times [2023-11-06 22:23:07,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:07,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592871539] [2023-11-06 22:23:07,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:07,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:23:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:23:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:23:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:23:07,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:07,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592871539] [2023-11-06 22:23:07,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592871539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:07,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:07,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:23:07,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398678045] [2023-11-06 22:23:07,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:07,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:23:07,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:07,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:07,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:07,412 INFO L87 Difference]: Start difference. First operand 293 states and 372 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:23:07,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:07,642 INFO L93 Difference]: Finished difference Result 650 states and 851 transitions. [2023-11-06 22:23:07,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:23:07,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2023-11-06 22:23:07,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:07,646 INFO L225 Difference]: With dead ends: 650 [2023-11-06 22:23:07,646 INFO L226 Difference]: Without dead ends: 365 [2023-11-06 22:23:07,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:23:07,649 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 77 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:07,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 439 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:23:07,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2023-11-06 22:23:07,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 353. [2023-11-06 22:23:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 262 states have (on average 1.2595419847328244) internal successors, (330), 281 states have internal predecessors, (330), 46 states have call successors, (46), 34 states have call predecessors, (46), 44 states have return successors, (68), 49 states have call predecessors, (68), 46 states have call successors, (68) [2023-11-06 22:23:07,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 444 transitions. [2023-11-06 22:23:07,719 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 444 transitions. Word has length 64 [2023-11-06 22:23:07,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:07,720 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 444 transitions. [2023-11-06 22:23:07,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:23:07,720 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 444 transitions. [2023-11-06 22:23:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-06 22:23:07,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:07,723 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:07,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:23:07,723 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:07,724 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:07,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1463987243, now seen corresponding path program 1 times [2023-11-06 22:23:07,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:07,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239991589] [2023-11-06 22:23:07,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:07,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:23:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:23:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:23:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:23:07,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:07,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239991589] [2023-11-06 22:23:07,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239991589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:07,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:07,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:23:07,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489531564] [2023-11-06 22:23:07,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:07,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:23:07,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:07,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:23:07,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:23:07,920 INFO L87 Difference]: Start difference. First operand 353 states and 444 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:23:08,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:08,108 INFO L93 Difference]: Finished difference Result 716 states and 927 transitions. [2023-11-06 22:23:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:23:08,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2023-11-06 22:23:08,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:08,112 INFO L225 Difference]: With dead ends: 716 [2023-11-06 22:23:08,112 INFO L226 Difference]: Without dead ends: 371 [2023-11-06 22:23:08,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:23:08,114 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 81 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:08,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 341 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:23:08,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2023-11-06 22:23:08,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 357. [2023-11-06 22:23:08,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 266 states have (on average 1.255639097744361) internal successors, (334), 285 states have internal predecessors, (334), 46 states have call successors, (46), 34 states have call predecessors, (46), 44 states have return successors, (68), 49 states have call predecessors, (68), 46 states have call successors, (68) [2023-11-06 22:23:08,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 448 transitions. [2023-11-06 22:23:08,154 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 448 transitions. Word has length 64 [2023-11-06 22:23:08,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:08,154 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 448 transitions. [2023-11-06 22:23:08,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-06 22:23:08,155 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 448 transitions. [2023-11-06 22:23:08,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-06 22:23:08,156 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:08,157 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:08,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:23:08,157 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:08,158 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:08,158 INFO L85 PathProgramCache]: Analyzing trace with hash -762387369, now seen corresponding path program 1 times [2023-11-06 22:23:08,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:08,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528919953] [2023-11-06 22:23:08,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:08,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:08,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-06 22:23:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:08,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:23:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:23:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:23:08,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:08,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528919953] [2023-11-06 22:23:08,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528919953] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:08,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:08,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:23:08,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88776200] [2023-11-06 22:23:08,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:08,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:23:08,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:08,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:23:08,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:23:08,284 INFO L87 Difference]: Start difference. First operand 357 states and 448 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-06 22:23:08,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:08,597 INFO L93 Difference]: Finished difference Result 998 states and 1301 transitions. [2023-11-06 22:23:08,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:23:08,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 64 [2023-11-06 22:23:08,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:08,602 INFO L225 Difference]: With dead ends: 998 [2023-11-06 22:23:08,603 INFO L226 Difference]: Without dead ends: 649 [2023-11-06 22:23:08,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:23:08,605 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 258 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:08,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 357 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:23:08,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2023-11-06 22:23:08,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 642. [2023-11-06 22:23:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 477 states have (on average 1.2243186582809225) internal successors, (584), 505 states have internal predecessors, (584), 87 states have call successors, (87), 71 states have call predecessors, (87), 77 states have return successors, (139), 88 states have call predecessors, (139), 87 states have call successors, (139) [2023-11-06 22:23:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 810 transitions. [2023-11-06 22:23:08,676 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 810 transitions. Word has length 64 [2023-11-06 22:23:08,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:08,676 INFO L495 AbstractCegarLoop]: Abstraction has 642 states and 810 transitions. [2023-11-06 22:23:08,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-06 22:23:08,677 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 810 transitions. [2023-11-06 22:23:08,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:23:08,679 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:08,679 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:08,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:23:08,679 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:08,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:08,680 INFO L85 PathProgramCache]: Analyzing trace with hash -480731343, now seen corresponding path program 1 times [2023-11-06 22:23:08,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:08,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851426552] [2023-11-06 22:23:08,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:08,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:08,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:23:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:08,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-06 22:23:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:09,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:09,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:23:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:23:09,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:09,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851426552] [2023-11-06 22:23:09,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851426552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:09,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:09,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:23:09,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570519562] [2023-11-06 22:23:09,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:09,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:23:09,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:09,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:23:09,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:23:09,037 INFO L87 Difference]: Start difference. First operand 642 states and 810 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-06 22:23:10,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:10,015 INFO L93 Difference]: Finished difference Result 1971 states and 2586 transitions. [2023-11-06 22:23:10,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-06 22:23:10,016 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 68 [2023-11-06 22:23:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:10,028 INFO L225 Difference]: With dead ends: 1971 [2023-11-06 22:23:10,029 INFO L226 Difference]: Without dead ends: 1450 [2023-11-06 22:23:10,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=549, Unknown=0, NotChecked=0, Total=702 [2023-11-06 22:23:10,034 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 604 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:10,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 522 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:23:10,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2023-11-06 22:23:10,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1245. [2023-11-06 22:23:10,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 924 states have (on average 1.222943722943723) internal successors, (1130), 985 states have internal predecessors, (1130), 170 states have call successors, (170), 126 states have call predecessors, (170), 150 states have return successors, (270), 172 states have call predecessors, (270), 170 states have call successors, (270) [2023-11-06 22:23:10,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1570 transitions. [2023-11-06 22:23:10,226 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1570 transitions. Word has length 68 [2023-11-06 22:23:10,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:10,227 INFO L495 AbstractCegarLoop]: Abstraction has 1245 states and 1570 transitions. [2023-11-06 22:23:10,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-06 22:23:10,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1570 transitions. [2023-11-06 22:23:10,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-06 22:23:10,229 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:10,230 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:10,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:23:10,230 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:10,231 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:10,231 INFO L85 PathProgramCache]: Analyzing trace with hash -608570004, now seen corresponding path program 1 times [2023-11-06 22:23:10,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:10,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139382089] [2023-11-06 22:23:10,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:10,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-06 22:23:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:10,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:23:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:10,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-11-06 22:23:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-06 22:23:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-06 22:23:10,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:10,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139382089] [2023-11-06 22:23:10,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139382089] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:10,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:10,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:23:10,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536311570] [2023-11-06 22:23:10,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:10,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:23:10,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:10,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:23:10,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:23:10,393 INFO L87 Difference]: Start difference. First operand 1245 states and 1570 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-06 22:23:10,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:10,918 INFO L93 Difference]: Finished difference Result 1481 states and 1859 transitions. [2023-11-06 22:23:10,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-06 22:23:10,918 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 98 [2023-11-06 22:23:10,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:10,923 INFO L225 Difference]: With dead ends: 1481 [2023-11-06 22:23:10,923 INFO L226 Difference]: Without dead ends: 637 [2023-11-06 22:23:10,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:23:10,931 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 287 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:10,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 383 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 22:23:10,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2023-11-06 22:23:11,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 611. [2023-11-06 22:23:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 454 states have (on average 1.1916299559471366) internal successors, (541), 482 states have internal predecessors, (541), 82 states have call successors, (82), 62 states have call predecessors, (82), 74 states have return successors, (132), 84 states have call predecessors, (132), 82 states have call successors, (132) [2023-11-06 22:23:11,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 755 transitions. [2023-11-06 22:23:11,042 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 755 transitions. Word has length 98 [2023-11-06 22:23:11,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:11,043 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 755 transitions. [2023-11-06 22:23:11,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 4 states have internal predecessors, (77), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-06 22:23:11,043 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 755 transitions. [2023-11-06 22:23:11,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-06 22:23:11,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:11,045 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:11,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:23:11,045 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:11,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:11,046 INFO L85 PathProgramCache]: Analyzing trace with hash 115908773, now seen corresponding path program 1 times [2023-11-06 22:23:11,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:11,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437645702] [2023-11-06 22:23:11,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:11,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:23:11,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:23:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 22:23:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 22:23:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-11-06 22:23:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:23:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-11-06 22:23:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,331 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-06 22:23:11,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:11,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437645702] [2023-11-06 22:23:11,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437645702] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:11,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347552554] [2023-11-06 22:23:11,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:11,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:11,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:11,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:11,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:23:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:11,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:23:11,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:23:11,759 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-06 22:23:12,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [347552554] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:12,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:12,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-11-06 22:23:12,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542396763] [2023-11-06 22:23:12,049 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:12,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:23:12,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:12,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:23:12,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:23:12,052 INFO L87 Difference]: Start difference. First operand 611 states and 755 transitions. Second operand has 15 states, 15 states have (on average 10.333333333333334) internal successors, (155), 10 states have internal predecessors, (155), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) [2023-11-06 22:23:13,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:13,450 INFO L93 Difference]: Finished difference Result 1294 states and 1634 transitions. [2023-11-06 22:23:13,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-11-06 22:23:13,450 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.333333333333334) internal successors, (155), 10 states have internal predecessors, (155), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) Word has length 121 [2023-11-06 22:23:13,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:13,456 INFO L225 Difference]: With dead ends: 1294 [2023-11-06 22:23:13,457 INFO L226 Difference]: Without dead ends: 744 [2023-11-06 22:23:13,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 272 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2023-11-06 22:23:13,461 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 389 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 1377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:13,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 1211 Invalid, 1377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:23:13,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2023-11-06 22:23:13,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 672. [2023-11-06 22:23:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 494 states have (on average 1.1720647773279351) internal successors, (579), 530 states have internal predecessors, (579), 92 states have call successors, (92), 76 states have call predecessors, (92), 85 states have return successors, (124), 89 states have call predecessors, (124), 92 states have call successors, (124) [2023-11-06 22:23:13,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 795 transitions. [2023-11-06 22:23:13,566 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 795 transitions. Word has length 121 [2023-11-06 22:23:13,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:13,567 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 795 transitions. [2023-11-06 22:23:13,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.333333333333334) internal successors, (155), 10 states have internal predecessors, (155), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) [2023-11-06 22:23:13,567 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 795 transitions. [2023-11-06 22:23:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-06 22:23:13,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:13,572 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:13,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:13,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:23:13,779 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:13,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:13,780 INFO L85 PathProgramCache]: Analyzing trace with hash 950034461, now seen corresponding path program 1 times [2023-11-06 22:23:13,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:13,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511878321] [2023-11-06 22:23:13,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:13,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:23:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:23:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:23:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:23:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:23:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-11-06 22:23:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:14,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:23:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-11-06 22:23:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-11-06 22:23:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-11-06 22:23:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 93 proven. 45 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-11-06 22:23:14,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:14,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511878321] [2023-11-06 22:23:14,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511878321] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:14,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343386262] [2023-11-06 22:23:14,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:14,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:14,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:14,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:14,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:23:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:14,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:23:14,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:14,988 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 163 proven. 4 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-06 22:23:14,988 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 77 proven. 39 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-11-06 22:23:15,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343386262] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:15,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:15,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 11] total 31 [2023-11-06 22:23:15,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260112619] [2023-11-06 22:23:15,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:15,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-06 22:23:15,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:15,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-06 22:23:15,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=800, Unknown=0, NotChecked=0, Total=930 [2023-11-06 22:23:15,589 INFO L87 Difference]: Start difference. First operand 672 states and 795 transitions. Second operand has 31 states, 31 states have (on average 7.612903225806452) internal successors, (236), 24 states have internal predecessors, (236), 10 states have call successors, (40), 8 states have call predecessors, (40), 13 states have return successors, (44), 12 states have call predecessors, (44), 10 states have call successors, (44) [2023-11-06 22:23:19,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:19,223 INFO L93 Difference]: Finished difference Result 1902 states and 2351 transitions. [2023-11-06 22:23:19,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-06 22:23:19,224 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 7.612903225806452) internal successors, (236), 24 states have internal predecessors, (236), 10 states have call successors, (40), 8 states have call predecessors, (40), 13 states have return successors, (44), 12 states have call predecessors, (44), 10 states have call successors, (44) Word has length 211 [2023-11-06 22:23:19,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:19,233 INFO L225 Difference]: With dead ends: 1902 [2023-11-06 22:23:19,234 INFO L226 Difference]: Without dead ends: 1238 [2023-11-06 22:23:19,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 565 GetRequests, 468 SyntacticMatches, 3 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2450 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1410, Invalid=7710, Unknown=0, NotChecked=0, Total=9120 [2023-11-06 22:23:19,242 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 1232 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 3214 mSolverCounterSat, 526 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1232 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 3740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 526 IncrementalHoareTripleChecker+Valid, 3214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:19,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1232 Valid, 1470 Invalid, 3740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [526 Valid, 3214 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-06 22:23:19,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2023-11-06 22:23:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1145. [2023-11-06 22:23:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 855 states have (on average 1.1076023391812866) internal successors, (947), 895 states have internal predecessors, (947), 156 states have call successors, (156), 134 states have call predecessors, (156), 133 states have return successors, (187), 143 states have call predecessors, (187), 156 states have call successors, (187) [2023-11-06 22:23:19,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1290 transitions. [2023-11-06 22:23:19,406 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1290 transitions. Word has length 211 [2023-11-06 22:23:19,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:19,406 INFO L495 AbstractCegarLoop]: Abstraction has 1145 states and 1290 transitions. [2023-11-06 22:23:19,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 7.612903225806452) internal successors, (236), 24 states have internal predecessors, (236), 10 states have call successors, (40), 8 states have call predecessors, (40), 13 states have return successors, (44), 12 states have call predecessors, (44), 10 states have call successors, (44) [2023-11-06 22:23:19,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1290 transitions. [2023-11-06 22:23:19,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-06 22:23:19,413 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:19,414 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:19,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:19,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:23:19,620 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:19,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:19,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1994411691, now seen corresponding path program 1 times [2023-11-06 22:23:19,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:19,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163511446] [2023-11-06 22:23:19,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:19,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:19,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:19,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:23:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:19,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:19,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:23:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:19,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:19,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:23:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:23:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:23:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-06 22:23:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 22:23:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-06 22:23:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:23:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:23:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-11-06 22:23:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-11-06 22:23:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-11-06 22:23:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-11-06 22:23:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-11-06 22:23:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,156 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 86 proven. 59 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2023-11-06 22:23:20,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:20,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163511446] [2023-11-06 22:23:20,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163511446] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:20,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293348354] [2023-11-06 22:23:20,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:20,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:20,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:20,158 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:20,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:23:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 22:23:20,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 206 proven. 11 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-11-06 22:23:20,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 101 proven. 62 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-06 22:23:21,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293348354] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:21,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:21,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2023-11-06 22:23:21,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533416648] [2023-11-06 22:23:21,133 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:21,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-06 22:23:21,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:21,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-06 22:23:21,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:23:21,137 INFO L87 Difference]: Start difference. First operand 1145 states and 1290 transitions. Second operand has 22 states, 22 states have (on average 11.863636363636363) internal successors, (261), 15 states have internal predecessors, (261), 7 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (48), 10 states have call predecessors, (48), 7 states have call successors, (48) [2023-11-06 22:23:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:22,903 INFO L93 Difference]: Finished difference Result 2234 states and 2544 transitions. [2023-11-06 22:23:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-06 22:23:22,904 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 11.863636363636363) internal successors, (261), 15 states have internal predecessors, (261), 7 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (48), 10 states have call predecessors, (48), 7 states have call successors, (48) Word has length 235 [2023-11-06 22:23:22,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:22,911 INFO L225 Difference]: With dead ends: 2234 [2023-11-06 22:23:22,911 INFO L226 Difference]: Without dead ends: 1203 [2023-11-06 22:23:22,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 526 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=483, Invalid=1869, Unknown=0, NotChecked=0, Total=2352 [2023-11-06 22:23:22,916 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 625 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 628 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 1791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:22,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [628 Valid, 376 Invalid, 1791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:23:22,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2023-11-06 22:23:23,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 1169. [2023-11-06 22:23:23,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 871 states have (on average 1.1010332950631458) internal successors, (959), 911 states have internal predecessors, (959), 156 states have call successors, (156), 142 states have call predecessors, (156), 141 states have return successors, (187), 143 states have call predecessors, (187), 156 states have call successors, (187) [2023-11-06 22:23:23,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1302 transitions. [2023-11-06 22:23:23,083 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1302 transitions. Word has length 235 [2023-11-06 22:23:23,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:23,084 INFO L495 AbstractCegarLoop]: Abstraction has 1169 states and 1302 transitions. [2023-11-06 22:23:23,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 11.863636363636363) internal successors, (261), 15 states have internal predecessors, (261), 7 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (48), 10 states have call predecessors, (48), 7 states have call successors, (48) [2023-11-06 22:23:23,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1302 transitions. [2023-11-06 22:23:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-06 22:23:23,091 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:23,092 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:23,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 22:23:23,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:23:23,299 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:23,299 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:23,299 INFO L85 PathProgramCache]: Analyzing trace with hash 213775524, now seen corresponding path program 1 times [2023-11-06 22:23:23,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:23,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999662048] [2023-11-06 22:23:23,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:23,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-06 22:23:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:23:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:23,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:23:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:23:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:23:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-06 22:23:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-11-06 22:23:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-06 22:23:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-06 22:23:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-06 22:23:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-06 22:23:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:23:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-06 22:23:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:23:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-11-06 22:23:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-11-06 22:23:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 22:23:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 22:23:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-11-06 22:23:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,201 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 117 proven. 41 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2023-11-06 22:23:24,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:23:24,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999662048] [2023-11-06 22:23:24,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999662048] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:24,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351733684] [2023-11-06 22:23:24,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:24,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:24,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:24,204 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:24,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:23:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:24,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 685 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-06 22:23:24,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 147 proven. 26 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2023-11-06 22:23:24,650 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:25,312 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 103 proven. 45 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-11-06 22:23:25,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351733684] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:23:25,312 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:23:25,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8, 13] total 25 [2023-11-06 22:23:25,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622882975] [2023-11-06 22:23:25,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:25,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-06 22:23:25,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:23:25,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-06 22:23:25,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2023-11-06 22:23:25,321 INFO L87 Difference]: Start difference. First operand 1169 states and 1302 transitions. Second operand has 25 states, 25 states have (on average 10.6) internal successors, (265), 21 states have internal predecessors, (265), 16 states have call successors, (56), 11 states have call predecessors, (56), 14 states have return successors, (51), 16 states have call predecessors, (51), 16 states have call successors, (51) [2023-11-06 22:23:27,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:27,766 INFO L93 Difference]: Finished difference Result 2209 states and 2511 transitions. [2023-11-06 22:23:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-11-06 22:23:27,767 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.6) internal successors, (265), 21 states have internal predecessors, (265), 16 states have call successors, (56), 11 states have call predecessors, (56), 14 states have return successors, (51), 16 states have call predecessors, (51), 16 states have call successors, (51) Word has length 236 [2023-11-06 22:23:27,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:27,769 INFO L225 Difference]: With dead ends: 2209 [2023-11-06 22:23:27,769 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:23:27,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 520 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=955, Invalid=3077, Unknown=0, NotChecked=0, Total=4032 [2023-11-06 22:23:27,777 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 786 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 2197 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 2484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 2197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:27,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 491 Invalid, 2484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 2197 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-06 22:23:27,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:23:27,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:23:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:23:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:23:27,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 236 [2023-11-06 22:23:27,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:27,779 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:23:27,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.6) internal successors, (265), 21 states have internal predecessors, (265), 16 states have call successors, (56), 11 states have call predecessors, (56), 14 states have return successors, (51), 16 states have call predecessors, (51), 16 states have call successors, (51) [2023-11-06 22:23:27,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:23:27,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:23:27,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:23:27,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-06 22:23:27,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 22:23:27,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:23:46,552 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 466 473) no Hoare annotation was computed. [2023-11-06 22:23:46,553 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 466 473) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (< ~waterLevel~0 2) (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0))))) [2023-11-06 22:23:46,553 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 466 473) no Hoare annotation was computed. [2023-11-06 22:23:46,554 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 356 362) no Hoare annotation was computed. [2023-11-06 22:23:46,554 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 356 362) the Hoare annotation is: true [2023-11-06 22:23:46,554 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0 (not (= 2 ~waterLevel~0))))) [2023-11-06 22:23:46,554 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 390 414) no Hoare annotation was computed. [2023-11-06 22:23:46,554 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 562) no Hoare annotation was computed. [2023-11-06 22:23:46,555 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 677 685) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< ~switchedOnBeforeTS~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse2 .cse1 (< 0 ~waterLevel~0) .cse3 .cse4 .cse5) (or .cse0 .cse1 (< 1 ~waterLevel~0)))) [2023-11-06 22:23:46,555 INFO L899 garLoopResultBuilder]: For program point L558-2(lines 558 562) no Hoare annotation was computed. [2023-11-06 22:23:46,555 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 390 414) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (< ~switchedOnBeforeTS~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (< 0 ~waterLevel~0) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (< 1 ~waterLevel~0)) (or .cse5 .cse6 .cse1 (not (= 2 ~waterLevel~0))))) [2023-11-06 22:23:46,556 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 549 567) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< ~switchedOnBeforeTS~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse2 .cse1 (< 0 ~waterLevel~0) .cse3 .cse4 .cse5) (or .cse0 .cse1 (< 1 ~waterLevel~0)))) [2023-11-06 22:23:46,556 INFO L895 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< ~switchedOnBeforeTS~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse2 .cse1 (< 0 ~waterLevel~0) .cse3 .cse4 .cse5) (or .cse0 .cse1 (< 1 ~waterLevel~0)))) [2023-11-06 22:23:46,557 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< ~switchedOnBeforeTS~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse2 .cse1 (< 0 ~waterLevel~0) .cse3 .cse4 .cse5) (or .cse0 .cse1 (< 1 ~waterLevel~0)))) [2023-11-06 22:23:46,557 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2023-11-06 22:23:46,557 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 390 414) no Hoare annotation was computed. [2023-11-06 22:23:46,557 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 411) no Hoare annotation was computed. [2023-11-06 22:23:46,557 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 485 493) no Hoare annotation was computed. [2023-11-06 22:23:46,558 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 485 493) no Hoare annotation was computed. [2023-11-06 22:23:46,558 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 485 493) the Hoare annotation is: true [2023-11-06 22:23:46,558 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 621) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse2 (< ~pumpRunning~0 1)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~pumpRunning~0 0)) .cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (or .cse2 .cse3 .cse4 .cse1 (not (= 2 ~waterLevel~0))) (or .cse0 .cse2 .cse3 .cse4 .cse1 (< ~switchedOnBeforeTS~0 1)))) [2023-11-06 22:23:46,558 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 610 621) no Hoare annotation was computed. [2023-11-06 22:23:46,559 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2023-11-06 22:23:46,559 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 222 251) no Hoare annotation was computed. [2023-11-06 22:23:46,559 INFO L902 garLoopResultBuilder]: At program point L247(lines 222 251) the Hoare annotation is: true [2023-11-06 22:23:46,559 INFO L899 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2023-11-06 22:23:46,559 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2023-11-06 22:23:46,560 INFO L902 garLoopResultBuilder]: At program point L236-1(lines 236 240) the Hoare annotation is: true [2023-11-06 22:23:46,560 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 251) the Hoare annotation is: true [2023-11-06 22:23:46,560 INFO L899 garLoopResultBuilder]: For program point L233(line 233) no Hoare annotation was computed. [2023-11-06 22:23:46,560 INFO L902 garLoopResultBuilder]: At program point L232-2(lines 232 246) the Hoare annotation is: true [2023-11-06 22:23:46,560 INFO L902 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: true [2023-11-06 22:23:46,560 INFO L899 garLoopResultBuilder]: For program point L228-1(line 228) no Hoare annotation was computed. [2023-11-06 22:23:46,561 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-06 22:23:46,561 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 432) no Hoare annotation was computed. [2023-11-06 22:23:46,561 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 329 355) no Hoare annotation was computed. [2023-11-06 22:23:46,561 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 437) no Hoare annotation was computed. [2023-11-06 22:23:46,562 INFO L895 garLoopResultBuilder]: At program point getWaterLevel_returnLabel#1(lines 654 662) the Hoare annotation is: (let ((.cse18 (= 2 ~waterLevel~0)) (.cse16 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse5 (= ~pumpRunning~0 0)) (.cse12 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse13 (<= ~waterLevel~0 0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse6 (not (= 0 ~systemActive~0))) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse15 (and .cse5 .cse12 .cse13 .cse14)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse17 (and .cse5 .cse18 .cse16)) (.cse1 (not (= 1 ~systemActive~0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~waterLevel~0 1))) (and (or .cse0 .cse1 (< 0 |old(~waterLevel~0)|) .cse2 .cse3) (or .cse4 (and .cse5 .cse2) .cse6) (or .cse7 .cse1 (and .cse5 .cse8) .cse9 .cse3) (or .cse10 .cse0 .cse1 (and .cse11 .cse12 .cse13 .cse14) .cse15 .cse3) (or .cse4 .cse16 .cse9 .cse6) (or .cse10 .cse7 .cse0 .cse1 .cse15 .cse3) (or .cse10 .cse4 .cse1 (and .cse5 .cse12 .cse2)) (or .cse4 .cse1 .cse17 .cse9 (and (<= 1 ~pumpRunning~0) .cse18 .cse16)) (or .cse4 .cse7 .cse1 .cse17 .cse9) (or .cse1 .cse9 .cse3 (and .cse11 .cse8 .cse14 (= |timeShift_getWaterLevel_#res#1| 1)) (and .cse5 .cse12 .cse8 .cse14))))) [2023-11-06 22:23:46,562 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0)) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse6 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse18 (<= ~waterLevel~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse19 (= 1 ~systemActive~0))) (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse12 (< 2 |old(~waterLevel~0)|)) (.cse14 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not .cse19)) (.cse16 (and .cse1 .cse5 .cse6 .cse19 .cse18 .cse10 .cse3)) (.cse17 (and .cse4 .cse5 .cse6 .cse18 .cse10 .cse3)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (not (= 0 ~systemActive~0)))) (and (let ((.cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse1 .cse2 .cse3 (= |timeShift_getWaterLevel_#res#1| 1) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 1)) (and .cse4 .cse5 .cse6 .cse2 .cse3) .cse7 .cse8)) (or .cse9 (and .cse4 .cse10) .cse11) (or .cse9 (and .cse4 .cse5 .cse6 .cse10 (<= |timeShift_getWaterLevel_#res#1| 1)) .cse0 .cse12) (or .cse4 .cse13 .cse14 .cse0 .cse8 .cse12) (let ((.cse15 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or .cse14 .cse0 (and .cse1 .cse5 .cse6 .cse15 .cse3) .cse16 .cse17 .cse8 .cse12 (and .cse4 .cse5 .cse6 .cse15 .cse3))) (or .cse4 .cse13 .cse0 (< |old(~waterLevel~0)| 2) .cse8 .cse12) (or .cse14 .cse0 (< 0 |old(~waterLevel~0)|) .cse16 .cse17 .cse8) (or .cse9 .cse7 .cse11)))) [2023-11-06 22:23:46,563 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-11-06 22:23:46,563 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2023-11-06 22:23:46,563 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2023-11-06 22:23:46,564 INFO L895 garLoopResultBuilder]: At program point L590-2(lines 586 597) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= 1 ~systemActive~0))) (let ((.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not .cse8)) (.cse5 (and .cse1 .cse8 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (or .cse4 .cse0 .cse5 (< 0 |old(~waterLevel~0)|) .cse3) (or .cse6 .cse0 .cse7) (or .cse4 .cse0 (and .cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2) .cse5 .cse3 .cse7) (or .cse6 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:23:46,564 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2023-11-06 22:23:46,564 INFO L895 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse4 (= |timeShift_processEnvironment_~tmp~5#1| 0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse5) .cse6) (or .cse7 .cse1 (< 2 |old(~waterLevel~0)|)) (or (and .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5) .cse1 (not (= |old(~waterLevel~0)| 2)) .cse6) (or .cse0 .cse1 (< 0 |old(~waterLevel~0)|) (and .cse2 .cse3 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse5) .cse6) (or .cse7 (not (= 0 ~systemActive~0))))) [2023-11-06 22:23:46,565 INFO L895 garLoopResultBuilder]: At program point L426(line 426) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse8 (< 0 |old(~waterLevel~0)|)) (.cse3 (not .cse7)) (.cse6 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse9 (and .cse2 .cse4 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse5)) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse11 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1 (and .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse5)) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse0 .cse3 .cse1) (or .cse7 .cse6 .cse0 .cse8 .cse9 .cse1 .cse10) (or .cse11 .cse0 .cse10) (or .cse6 .cse0 .cse8 .cse3 .cse1) (or .cse7 .cse6 .cse0 .cse9 .cse1 .cse10 (and .cse2 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse4 .cse5)) (or .cse11 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:23:46,565 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 140 147) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse3 .cse2) (or .cse0 (not (= 0 ~systemActive~0))))) [2023-11-06 22:23:46,566 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 329 355) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 2 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (and .cse8 .cse4 .cse5)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse1) (or .cse7 .cse1 (and .cse8 .cse9 .cse4) .cse10) (or .cse1 (and .cse3 .cse9 .cse4) .cse10 .cse2) (or .cse6 .cse7 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:23:46,566 INFO L895 garLoopResultBuilder]: At program point L422(line 422) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= 1 ~systemActive~0))) (let ((.cse4 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not .cse8)) (.cse5 (and .cse1 .cse8 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and .cse1 (= ~waterLevel~0 1) .cse2) (not (= |old(~waterLevel~0)| 2)) .cse3) (or .cse4 .cse0 .cse5 (< 0 |old(~waterLevel~0)|) .cse3) (or .cse6 .cse0 .cse7) (or .cse4 .cse0 (and .cse1 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2) .cse5 .cse3 .cse7) (or .cse6 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:23:46,566 INFO L899 garLoopResultBuilder]: For program point L422-1(line 422) no Hoare annotation was computed. [2023-11-06 22:23:46,567 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= 2 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse6 (and .cse8 .cse4 .cse5)) (.cse7 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse1) (or .cse7 .cse1 (and .cse8 .cse9 .cse4) .cse10) (or .cse1 (and .cse3 .cse9 .cse4) .cse10 .cse2) (or .cse6 .cse7 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:23:46,567 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-11-06 22:23:46,567 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-11-06 22:23:46,568 INFO L895 garLoopResultBuilder]: At program point L435(line 435) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 2)) .cse1) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 .cse2) (or .cse3 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse2) (or .cse3 (not (= 0 ~systemActive~0))))) [2023-11-06 22:23:46,568 INFO L895 garLoopResultBuilder]: At program point L435-1(lines 416 440) the Hoare annotation is: (let ((.cse5 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse10 (<= ~waterLevel~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse16 (= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 0))) (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (not .cse0)) (.cse9 (= |timeShift_processEnvironment_~tmp~5#1| 0)) (.cse6 (= ~waterLevel~0 1)) (.cse17 (and .cse4 .cse16)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse18 (and .cse4 .cse5 .cse10 .cse14 .cse7)) (.cse8 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse13 (< 0 |old(~waterLevel~0)|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse19 (< 2 |old(~waterLevel~0)|)) (.cse15 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7)) (or (not (= |old(~waterLevel~0)| 1)) .cse8 .cse1 (and .cse4 .cse9 .cse10 .cse7) .cse11 .cse3 (and .cse12 .cse9 .cse10 .cse7)) (or .cse8 .cse1 .cse13 .cse11 (and .cse4 .cse9 .cse14 .cse7) .cse3 (and .cse12 .cse9 .cse14 .cse7)) (or .cse1 (and .cse12 .cse9 .cse6 .cse7) .cse11 (and .cse4 .cse9 .cse6 .cse7) .cse2 .cse3) (or .cse15 .cse1 (and (<= 1 ~pumpRunning~0) .cse16) .cse17 .cse2) (or (< 1 |old(~waterLevel~0)|) .cse15 (and .cse4 .cse14) .cse1) (or .cse18 .cse0 .cse8 .cse1 (and .cse4 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse5 .cse7) .cse3 .cse19) (or .cse15 .cse0 .cse1 .cse17 .cse2) (or .cse18 .cse0 .cse8 .cse1 .cse13 .cse3 .cse19) (or .cse15 (not (= 0 ~systemActive~0)))))) [2023-11-06 22:23:46,569 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__2_returnLabel#1(lines 62 71) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse3)) (.cse5 (not (= 1 ~systemActive~0))) (.cse7 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or (and .cse2 .cse3 .cse4) (< |old(~switchedOnBeforeTS~0)| 1) .cse5 .cse6 .cse7) (or .cse5 (and .cse2 (= 2 ~waterLevel~0) .cse4) (not (= |old(~waterLevel~0)| 2)) .cse6) (or .cse0 .cse1 .cse5 .cse7)))) [2023-11-06 22:23:46,569 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 342) no Hoare annotation was computed. [2023-11-06 22:23:46,569 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-11-06 22:23:46,570 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse14 (= ~waterLevel~0 |timeShift_getWaterLevel_#res#1|)) (.cse15 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse3 (= ~waterLevel~0 1)) (.cse4 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse11 (not (= 0 ~systemActive~0))) (.cse8 (not (= |old(~pumpRunning~0)| 0))) (.cse16 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse17 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse5 (and .cse9 .cse14 .cse15 .cse3 .cse4)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse13 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (<= ~pumpRunning~0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 (= |timeShift_getWaterLevel_#res#1| 1) (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 1)) .cse5 .cse6 .cse7) (or .cse8 (and .cse9 .cse10) .cse11) (or .cse9 .cse12 .cse13 .cse0 .cse7 (< 2 |old(~waterLevel~0)|)) (or (< 1 |old(~waterLevel~0)|) (and .cse9 (<= 0 |timeShift___utac_acc__Specification5_spec__3_~tmp___0~0#1|) .cse14 .cse15 .cse10) .cse8 .cse0) (or .cse8 (and .cse16 .cse17) .cse6 .cse11) (let ((.cse18 (<= ~waterLevel~0 0))) (or (and .cse1 .cse14 .cse15 .cse2 .cse18 .cse4) (not (= |old(~waterLevel~0)| 1)) .cse13 .cse0 (and .cse9 .cse14 .cse15 .cse18 .cse4) .cse7)) (let ((.cse19 (= 2 ~waterLevel~0))) (or .cse8 (and (<= 1 ~pumpRunning~0) .cse19 .cse12 .cse16 .cse17) .cse0 (and .cse9 .cse19 .cse16 .cse17) .cse6)) (or .cse12 .cse0 .cse5 .cse6 .cse7) (or .cse13 .cse0 (< 0 |old(~waterLevel~0)|) (and .cse9 .cse14 .cse15 .cse10 .cse4) (and .cse1 .cse14 .cse15 .cse2 .cse10 .cse4) .cse7)))) [2023-11-06 22:23:46,570 INFO L899 garLoopResultBuilder]: For program point L336-2(lines 332 354) no Hoare annotation was computed. [2023-11-06 22:23:46,570 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 329 355) no Hoare annotation was computed. [2023-11-06 22:23:46,570 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2023-11-06 22:23:46,570 INFO L899 garLoopResultBuilder]: For program point L572(lines 572 578) no Hoare annotation was computed. [2023-11-06 22:23:46,571 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2023-11-06 22:23:46,571 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 190) no Hoare annotation was computed. [2023-11-06 22:23:46,571 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2023-11-06 22:23:46,571 INFO L895 garLoopResultBuilder]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse5 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse6) (and .cse0 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse6))) [2023-11-06 22:23:46,572 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse5 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse6) (and .cse0 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse6))) [2023-11-06 22:23:46,572 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 284 294) the Hoare annotation is: true [2023-11-06 22:23:46,572 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 116 122) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:23:46,572 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 295 317) the Hoare annotation is: true [2023-11-06 22:23:46,572 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:23:46,572 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:23:46,573 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 312) no Hoare annotation was computed. [2023-11-06 22:23:46,573 INFO L899 garLoopResultBuilder]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2023-11-06 22:23:46,573 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 277 283) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:23:46,573 INFO L899 garLoopResultBuilder]: For program point L165(lines 164 211) no Hoare annotation was computed. [2023-11-06 22:23:46,573 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2023-11-06 22:23:46,574 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:23:46,574 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2023-11-06 22:23:46,574 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse5 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse6) (and .cse0 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse6))) [2023-11-06 22:23:46,574 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification5_spec__1_returnLabel#1(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:23:46,574 INFO L902 garLoopResultBuilder]: At program point L215(lines 154 219) the Hoare annotation is: true [2023-11-06 22:23:46,575 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2023-11-06 22:23:46,575 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2023-11-06 22:23:46,575 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:23:46,575 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 123 129) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:23:46,575 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 170) no Hoare annotation was computed. [2023-11-06 22:23:46,575 INFO L895 garLoopResultBuilder]: At program point L212(lines 163 213) the Hoare annotation is: false [2023-11-06 22:23:46,576 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 568 582) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= 0 ~systemActive~0)) [2023-11-06 22:23:46,576 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 130 138) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-11-06 22:23:46,576 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 206) no Hoare annotation was computed. [2023-11-06 22:23:46,576 INFO L895 garLoopResultBuilder]: At program point L200-2(lines 194 207) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse3 (= 0 ~systemActive~0)) (and .cse4 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 (<= ~waterLevel~0 2) (<= 1 ~switchedOnBeforeTS~0)) (and .cse0 (<= ~waterLevel~0 1) .cse2 .cse3))) [2023-11-06 22:23:46,576 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 673) no Hoare annotation was computed. [2023-11-06 22:23:46,577 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 543) no Hoare annotation was computed. [2023-11-06 22:23:46,577 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not .cse4)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (and (= ~pumpRunning~0 0) .cse4 (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| 0)))) (and (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 (not (= 2 ~waterLevel~0)) .cse3)))) [2023-11-06 22:23:46,577 INFO L899 garLoopResultBuilder]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2023-11-06 22:23:46,577 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 380) no Hoare annotation was computed. [2023-11-06 22:23:46,577 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 385) no Hoare annotation was computed. [2023-11-06 22:23:46,578 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 364 388) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (< ~switchedOnBeforeTS~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (< 0 ~waterLevel~0) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (< 1 ~waterLevel~0)) (or .cse5 .cse6 .cse1 (not (= 2 ~waterLevel~0))))) [2023-11-06 22:23:46,578 INFO L895 garLoopResultBuilder]: At program point isHighWaterSensorDry_returnLabel#1(lines 663 676) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 (and (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|) .cse3)) (or .cse2 .cse3 .cse0 (not (= 2 ~waterLevel~0))))) [2023-11-06 22:23:46,578 INFO L895 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< ~switchedOnBeforeTS~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse2 .cse1 (< 0 ~waterLevel~0) .cse3 .cse4 .cse5) (or .cse0 .cse1 (< 1 ~waterLevel~0)))) [2023-11-06 22:23:46,578 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 364 388) no Hoare annotation was computed. [2023-11-06 22:23:46,579 INFO L895 garLoopResultBuilder]: At program point isHighWaterLevel_returnLabel#1(lines 530 548) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (or .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse3 .cse1 (not (= 2 ~waterLevel~0))))) [2023-11-06 22:23:46,579 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 364 388) no Hoare annotation was computed. [2023-11-06 22:23:46,579 INFO L899 garLoopResultBuilder]: For program point L456(lines 456 462) no Hoare annotation was computed. [2023-11-06 22:23:46,579 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1) (or .cse2 (= ~pumpRunning~0 0) .cse0 (not (= 2 ~waterLevel~0))))) [2023-11-06 22:23:46,579 INFO L895 garLoopResultBuilder]: At program point L456-2(lines 449 465) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) (not .cse2) (< |old(~pumpRunning~0)| 1)) (or (< 2 ~waterLevel~0) .cse3 .cse2 .cse0 (and (not (= 0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~6#1|)) .cse4)) (or .cse3 .cse0 .cse1) (or (<= 1 ~pumpRunning~0) .cse3 .cse4 .cse0 (not (= 2 ~waterLevel~0))))) [2023-11-06 22:23:46,580 INFO L899 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2023-11-06 22:23:46,580 INFO L895 garLoopResultBuilder]: At program point activatePump__wrappee__lowWaterSensor_returnLabel#1(lines 441 448) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (= 2 ~waterLevel~0))) (and (or .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) (not .cse1) (< |old(~pumpRunning~0)| 1)) (or (< 2 ~waterLevel~0) .cse2 .cse0 (and (<= 1 ~pumpRunning~0) .cse3)) (or .cse2 .cse1 .cse0 (not .cse3)))) [2023-11-06 22:23:46,580 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 598 609) no Hoare annotation was computed. [2023-11-06 22:23:46,580 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 598 609) the Hoare annotation is: (let ((.cse6 (< ~switchedOnBeforeTS~0 1)) (.cse5 (< ~pumpRunning~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (not (= 0 ~systemActive~0))) (or .cse5 .cse2 (< 0 |old(~waterLevel~0)|) .cse6 .cse7 .cse4) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse6 .cse7 (= ~waterLevel~0 1)) (or .cse5 .cse1 .cse2 .cse7 .cse3) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse2 .cse4))) [2023-11-06 22:23:46,581 INFO L899 garLoopResultBuilder]: For program point L602-1(lines 598 609) no Hoare annotation was computed. [2023-11-06 22:23:46,581 INFO L895 garLoopResultBuilder]: At program point isMethaneLevelCritical_returnLabel#1(lines 622 630) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |isMethaneAlarm_isMethaneLevelCritical_#res#1| ~methaneLevelCritical~0))) (and (or (not (= ~pumpRunning~0 0)) .cse0 (not (= 2 ~waterLevel~0)) .cse1) (or (< ~pumpRunning~0 1) .cse0 (< 1 ~waterLevel~0) (< ~switchedOnBeforeTS~0 1) .cse1))) [2023-11-06 22:23:46,581 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 474 484) no Hoare annotation was computed. [2023-11-06 22:23:46,581 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 474 484) the Hoare annotation is: true [2023-11-06 22:23:46,581 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 474 484) no Hoare annotation was computed. [2023-11-06 22:23:46,584 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:46,586 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:23:46,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:23:46 BoogieIcfgContainer [2023-11-06 22:23:46,644 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:23:46,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:23:46,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:23:46,645 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:23:46,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:05" (3/4) ... [2023-11-06 22:23:46,648 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:23:46,652 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-06 22:23:46,652 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-06 22:23:46,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-06 22:23:46,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-06 22:23:46,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-06 22:23:46,653 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-06 22:23:46,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-06 22:23:46,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-06 22:23:46,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-06 22:23:46,654 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-06 22:23:46,663 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-06 22:23:46,664 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-06 22:23:46,665 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:23:46,666 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:23:46,667 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:23:46,696 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) [2023-11-06 22:23:46,697 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((((pumpRunning == \old(pumpRunning)) && (1 == systemActive)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (0 < \old(waterLevel))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((pumpRunning == \old(pumpRunning)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == \old(pumpRunning)) && (1 == systemActive)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:23:46,697 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!((1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning)) && (pumpRunning <= tmp___0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1)) && (tmp == 1))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((((pumpRunning == 0) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((((1 < \old(waterLevel)) || (((((pumpRunning == 0) && (0 <= tmp___0)) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || ((2 == \result) && (tmp == 2))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((((((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (tmp == waterLevel)) && (pumpRunning <= tmp___0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS)) || !((\old(waterLevel) == 1))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((((!((\old(pumpRunning) == 0)) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (2 == \result)) && (tmp == 2))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (tmp == 2))) || !((\old(waterLevel) == 2)))) && (((((methaneLevelCritical == 0) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (0 < \old(waterLevel))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || ((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (tmp == waterLevel)) && (pumpRunning <= tmp___0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) [2023-11-06 22:23:46,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((methaneLevelCritical == 0) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == 0) && (tmp == methaneLevelCritical)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) && ((((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (tmp == 0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS)))) && (((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (0 < \old(waterLevel))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)))) && (((((!((1 == systemActive)) || ((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (tmp == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive)))) && (((((((((((pumpRunning == 0) && (tmp == methaneLevelCritical)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == 0) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == methaneLevelCritical)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (((((((((((pumpRunning == 0) && (tmp == methaneLevelCritical)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (0 < \old(waterLevel))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:23:46,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:23:46,699 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (0 < \old(waterLevel))) || (\old(waterLevel) == waterLevel)) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && (((((methaneLevelCritical == 0) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((((1 < \old(waterLevel)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || (2 == \result)) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((((1 < \old(waterLevel)) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result))) || !((\old(waterLevel) == 2))) || (((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)))) && ((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result))) || !((\old(waterLevel) == 2)))) && ((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:23:46,699 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel))) || (\result == methaneLevelCritical)) && (((((pumpRunning < 1) || !((1 == systemActive))) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\result == methaneLevelCritical))) [2023-11-06 22:23:46,700 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((2 == waterLevel))) && (((((!((waterLevel == 1)) || (pumpRunning == \old(pumpRunning))) || !((1 == systemActive))) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (0 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) [2023-11-06 22:23:46,700 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || ((1 <= \result) && (pumpRunning == 0)))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) [2023-11-06 22:23:46,701 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (!((0 == tmp)) && (pumpRunning == 0)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) && (((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) [2023-11-06 22:23:46,701 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) [2023-11-06 22:23:46,701 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((2 == waterLevel))) && (((((!((waterLevel == 1)) || (pumpRunning == \old(pumpRunning))) || !((1 == systemActive))) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (0 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) [2023-11-06 22:23:46,701 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0))) && ((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) [2023-11-06 22:23:46,740 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) [2023-11-06 22:23:46,741 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((((pumpRunning == \old(pumpRunning)) && (1 == systemActive)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (0 < \old(waterLevel))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((pumpRunning == \old(pumpRunning)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == \old(pumpRunning)) && (1 == systemActive)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:23:46,741 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!((1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning)) && (pumpRunning <= tmp___0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1)) && (tmp == 1))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((((pumpRunning == 0) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((((1 < \old(waterLevel)) || (((((pumpRunning == 0) && (0 <= tmp___0)) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || ((2 == \result) && (tmp == 2))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((((((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (tmp == waterLevel)) && (pumpRunning <= tmp___0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS)) || !((\old(waterLevel) == 1))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((((!((\old(pumpRunning) == 0)) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (2 == \result)) && (tmp == 2))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (tmp == 2))) || !((\old(waterLevel) == 2)))) && (((((methaneLevelCritical == 0) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (0 < \old(waterLevel))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || ((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (tmp == waterLevel)) && (pumpRunning <= tmp___0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) [2023-11-06 22:23:46,742 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((methaneLevelCritical == 0) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == 0) && (tmp == methaneLevelCritical)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) && ((((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (tmp == 0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS)))) && (((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (0 < \old(waterLevel))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)))) && (((((!((1 == systemActive)) || ((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (tmp == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive)))) && (((((((((((pumpRunning == 0) && (tmp == methaneLevelCritical)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == 0) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == methaneLevelCritical)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (((((((((((pumpRunning == 0) && (tmp == methaneLevelCritical)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (0 < \old(waterLevel))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:23:46,742 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) [2023-11-06 22:23:46,742 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (0 < \old(waterLevel))) || (\old(waterLevel) == waterLevel)) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && (((((methaneLevelCritical == 0) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((((1 < \old(waterLevel)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || (2 == \result)) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((((1 < \old(waterLevel)) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result))) || !((\old(waterLevel) == 2))) || (((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)))) && ((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result))) || !((\old(waterLevel) == 2)))) && ((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) [2023-11-06 22:23:46,743 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!((pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel))) || (\result == methaneLevelCritical)) && (((((pumpRunning < 1) || !((1 == systemActive))) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\result == methaneLevelCritical))) [2023-11-06 22:23:46,743 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((2 == waterLevel))) && (((((!((waterLevel == 1)) || (pumpRunning == \old(pumpRunning))) || !((1 == systemActive))) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (0 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) [2023-11-06 22:23:46,743 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || ((1 <= \result) && (pumpRunning == 0)))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) [2023-11-06 22:23:46,744 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (!((0 == tmp)) && (pumpRunning == 0)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) && (((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) [2023-11-06 22:23:46,744 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) [2023-11-06 22:23:46,744 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((2 == waterLevel))) && (((((!((waterLevel == 1)) || (pumpRunning == \old(pumpRunning))) || !((1 == systemActive))) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (0 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) [2023-11-06 22:23:46,744 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0))) && ((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) [2023-11-06 22:23:46,780 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:23:46,780 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:23:46,780 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:23:46,781 INFO L158 Benchmark]: Toolchain (without parser) took 42709.66ms. Allocated memory was 127.9MB in the beginning and 520.1MB in the end (delta: 392.2MB). Free memory was 86.0MB in the beginning and 206.9MB in the end (delta: -121.0MB). Peak memory consumption was 273.3MB. Max. memory is 16.1GB. [2023-11-06 22:23:46,782 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory was 102.6MB in the beginning and 102.4MB in the end (delta: 190.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:23:46,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.89ms. Allocated memory is still 127.9MB. Free memory was 85.5MB in the beginning and 65.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:23:46,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.49ms. Allocated memory is still 127.9MB. Free memory was 65.7MB in the beginning and 63.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:23:46,784 INFO L158 Benchmark]: Boogie Preprocessor took 34.29ms. Allocated memory is still 127.9MB. Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:23:46,785 INFO L158 Benchmark]: RCFGBuilder took 724.88ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 61.6MB in the beginning and 132.1MB in the end (delta: -70.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-11-06 22:23:46,785 INFO L158 Benchmark]: TraceAbstraction took 41224.65ms. Allocated memory was 167.8MB in the beginning and 520.1MB in the end (delta: 352.3MB). Free memory was 132.1MB in the beginning and 215.3MB in the end (delta: -83.3MB). Peak memory consumption was 307.1MB. Max. memory is 16.1GB. [2023-11-06 22:23:46,786 INFO L158 Benchmark]: Witness Printer took 135.86ms. Allocated memory is still 520.1MB. Free memory was 215.3MB in the beginning and 206.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:23:46,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory was 102.6MB in the beginning and 102.4MB in the end (delta: 190.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.89ms. Allocated memory is still 127.9MB. Free memory was 85.5MB in the beginning and 65.7MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.49ms. Allocated memory is still 127.9MB. Free memory was 65.7MB in the beginning and 63.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.29ms. Allocated memory is still 127.9MB. Free memory was 63.2MB in the beginning and 61.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 724.88ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 61.6MB in the beginning and 132.1MB in the end (delta: -70.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * TraceAbstraction took 41224.65ms. Allocated memory was 167.8MB in the beginning and 520.1MB in the end (delta: 352.3MB). Free memory was 132.1MB in the beginning and 215.3MB in the end (delta: -83.3MB). Peak memory consumption was 307.1MB. Max. memory is 16.1GB. * Witness Printer took 135.86ms. Allocated memory is still 520.1MB. Free memory was 215.3MB in the beginning and 206.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [101] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [139] - GenericResultAtLocation [Line: 148]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [148] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] - GenericResultAtLocation [Line: 318]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [318] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [583] - GenericResultAtLocation [Line: 686]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [686] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 144]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.1s, OverallIterations: 13, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 18.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4596 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4545 mSDsluCounter, 6773 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5286 mSDsCounter, 1605 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9678 IncrementalHoareTripleChecker+Invalid, 11283 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1605 mSolverCounterUnsat, 1487 mSDtfsCounter, 9678 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2210 GetRequests, 1885 SyntacticMatches, 16 SemanticMatches, 309 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4464 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1245occurred in iteration=8, InterpolantAutomatonStates: 245, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 471 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 3881 PreInvPairs, 4424 NumberOfFragments, 3651 HoareAnnotationTreeSize, 3881 FomulaSimplifications, 25868 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 54 FomulaSimplificationsInter, 54278 FormulaSimplificationTreeSizeReductionInter, 16.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 2107 NumberOfCodeBlocks, 2107 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2889 ConstructedInterpolants, 0 QuantifiedInterpolants, 6172 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2390 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 21 InterpolantComputations, 9 PerfectInterpolantSequences, 2129/2502 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && ((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel)))) && (((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: (((((((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && (((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((((pumpRunning == \old(pumpRunning)) && (1 == systemActive)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (0 < \old(waterLevel))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel)))) && ((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (((pumpRunning == \old(pumpRunning)) && ((waterLevel + 1) <= \old(waterLevel))) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == \old(pumpRunning)) && (1 == systemActive)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((pumpRunning == 0) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((2 == waterLevel))) && (((((!((waterLevel == 1)) || (pumpRunning == \old(pumpRunning))) || !((1 == systemActive))) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (0 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: ((((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || ((1 <= \result) && (pumpRunning == 0)))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel)) || (((pumpRunning == 0) && (tmp___0 == 0)) && (\result == 0))) && ((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive)) - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: ((((!((pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel))) || (\result == methaneLevelCritical)) && (((((pumpRunning < 1) || !((1 == systemActive))) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || (\result == methaneLevelCritical))) - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: ((((((((((((((methaneLevelCritical == 0) || !((1 == systemActive))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == 0) && (tmp == methaneLevelCritical)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) && ((((((!((\old(waterLevel) == 1)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (tmp == 0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS)))) && (((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (0 < \old(waterLevel))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)))) && (((((!((1 == systemActive)) || ((((pumpRunning == \old(pumpRunning)) && (tmp == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((methaneLevelCritical == 0))) || ((((pumpRunning == 0) && (tmp == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || ((1 <= pumpRunning) && (2 == waterLevel))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive)))) && (((((((((((pumpRunning == 0) && (tmp == methaneLevelCritical)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == 0) && ((waterLevel + 1) <= \old(waterLevel))) && (tmp == methaneLevelCritical)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || ((pumpRunning == 0) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && (((((((((((pumpRunning == 0) && (tmp == methaneLevelCritical)) && (waterLevel <= 0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (0 < \old(waterLevel))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (2 < \old(waterLevel))) && ((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (!((\old(pumpRunning) == 0)) || !((0 == systemActive)))) - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: ((((((((((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (0 < \old(waterLevel))) || (\old(waterLevel) == waterLevel)) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && (((((methaneLevelCritical == 0) || !((1 == systemActive))) || ((pumpRunning == 0) && (waterLevel == 1))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((((1 < \old(waterLevel)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || (2 == \result)) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((((1 < \old(waterLevel)) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (waterLevel == \result)) && (\old(waterLevel) == waterLevel)))) && ((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result))) || !((\old(waterLevel) == 2))) || (((1 <= pumpRunning) && (2 == waterLevel)) && (2 == \result)))) && ((((!((\old(pumpRunning) == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result))) || !((\old(waterLevel) == 2)))) && ((((!((1 == systemActive)) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) || ((((pumpRunning == \old(pumpRunning)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1))) || ((((pumpRunning == 0) && (waterLevel == \result)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)))) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((((((((((!((1 == systemActive)) || ((((((pumpRunning == \old(pumpRunning)) && (pumpRunning <= tmp___0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (\result == 1)) && (tmp == 1))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1)) && ((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive)))) && ((((((pumpRunning == 0) || (methaneLevelCritical == 0)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && ((((1 < \old(waterLevel)) || (((((pumpRunning == 0) && (0 <= tmp___0)) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel))) || !((\old(pumpRunning) == 0))) || !((1 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || ((2 == \result) && (tmp == 2))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && (((((((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (tmp == waterLevel)) && (pumpRunning <= tmp___0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS)) || !((\old(waterLevel) == 1))) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) && ((((!((\old(pumpRunning) == 0)) || (((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (2 == \result)) && (tmp == 2))) || !((1 == systemActive))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (2 == \result)) && (tmp == 2))) || !((\old(waterLevel) == 2)))) && (((((methaneLevelCritical == 0) || !((1 == systemActive))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && ((((((\old(switchedOnBeforeTS) < 1) || !((1 == systemActive))) || (0 < \old(waterLevel))) || (((((pumpRunning == 0) && (waterLevel == \result)) && (tmp == waterLevel)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || ((((((pumpRunning == \old(pumpRunning)) && (waterLevel == \result)) && (tmp == waterLevel)) && (pumpRunning <= tmp___0)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS))) || (\old(pumpRunning) < 1))) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((0 == systemActive))) && (((((((pumpRunning == \old(pumpRunning)) && (\old(waterLevel) == waterLevel)) && (1 <= switchedOnBeforeTS)) || (\old(switchedOnBeforeTS) < 1)) || !((1 == systemActive))) || (\old(pumpRunning) < 1)) || (2 < \old(waterLevel)))) && (((!((1 == systemActive)) || (((pumpRunning == \old(pumpRunning)) && (2 == waterLevel)) && (1 <= switchedOnBeforeTS))) || !((\old(waterLevel) == 2))) || (\old(pumpRunning) < 1))) && (((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (\old(waterLevel) == waterLevel))) || !((1 == systemActive))) || (2 < \old(waterLevel)))) - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: (((((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || !((2 == waterLevel))) && (((((!((waterLevel == 1)) || (pumpRunning == \old(pumpRunning))) || !((1 == systemActive))) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((((((pumpRunning == \old(pumpRunning)) || !((1 == systemActive))) || (0 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((((((!((1 == systemActive)) || (1 < waterLevel)) || (switchedOnBeforeTS < 1)) || !((methaneLevelCritical == 0))) || (\old(pumpRunning) < 1)) && (((((2 < waterLevel) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (!((0 == tmp)) && (pumpRunning == 0)))) && ((!((\old(pumpRunning) == 0)) || !((1 == systemActive))) || (1 < waterLevel))) && (((((1 <= pumpRunning) || !((\old(pumpRunning) == 0))) || (pumpRunning == 0)) || !((1 == systemActive))) || !((2 == waterLevel)))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:23:46,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d423ba1e-d792-454f-b312-bae22665bba3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE