./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 15:16:53,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 15:16:53,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 15:16:53,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 15:16:53,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 15:16:54,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 15:16:54,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 15:16:54,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 15:16:54,023 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 15:16:54,027 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 15:16:54,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 15:16:54,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 15:16:54,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 15:16:54,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 15:16:54,028 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 15:16:54,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 15:16:54,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 15:16:54,029 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 15:16:54,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 15:16:54,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 15:16:54,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 15:16:54,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 15:16:54,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 15:16:54,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 15:16:54,033 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 15:16:54,033 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 15:16:54,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 15:16:54,033 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 15:16:54,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 15:16:54,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 15:16:54,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 15:16:54,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 15:16:54,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:16:54,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 15:16:54,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 15:16:54,047 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 15:16:54,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 15:16:54,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 15:16:54,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 15:16:54,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 15:16:54,050 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 15:16:54,050 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 15:16:54,051 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 [2024-11-08 15:16:54,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 15:16:54,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 15:16:54,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 15:16:54,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 15:16:54,342 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 15:16:54,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2024-11-08 15:16:55,741 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 15:16:55,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 15:16:55,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2024-11-08 15:16:55,996 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c23c8c80/bac178b3259e42bbbb0ebe345ae10dc0/FLAG39ecf382a [2024-11-08 15:16:56,319 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c23c8c80/bac178b3259e42bbbb0ebe345ae10dc0 [2024-11-08 15:16:56,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 15:16:56,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 15:16:56,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 15:16:56,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 15:16:56,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 15:16:56,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,332 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d24f706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56, skipping insertion in model container [2024-11-08 15:16:56,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 15:16:56,542 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c[1605,1618] [2024-11-08 15:16:56,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:16:56,680 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 15:16:56,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-08 15:16:56,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] [2024-11-08 15:16:56,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] [2024-11-08 15:16:56,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [353] [2024-11-08 15:16:56,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [454] [2024-11-08 15:16:56,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [820] [2024-11-08 15:16:56,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [855] [2024-11-08 15:16:56,693 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [905] [2024-11-08 15:16:56,699 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c[1605,1618] [2024-11-08 15:16:56,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 15:16:56,769 INFO L204 MainTranslator]: Completed translation [2024-11-08 15:16:56,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56 WrapperNode [2024-11-08 15:16:56,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 15:16:56,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 15:16:56,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 15:16:56,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 15:16:56,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,814 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 214 [2024-11-08 15:16:56,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 15:16:56,816 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 15:16:56,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 15:16:56,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 15:16:56,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,827 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,843 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 15:16:56,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 15:16:56,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 15:16:56,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 15:16:56,861 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 15:16:56,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (1/1) ... [2024-11-08 15:16:56,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 15:16:56,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:16:56,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 15:16:56,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 15:16:56,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 15:16:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-08 15:16:56,971 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-08 15:16:56,971 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-08 15:16:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-08 15:16:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-08 15:16:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-08 15:16:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-08 15:16:56,972 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-08 15:16:56,972 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-08 15:16:56,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-08 15:16:56,973 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-08 15:16:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-08 15:16:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-08 15:16:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-08 15:16:56,977 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-08 15:16:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-08 15:16:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 15:16:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-08 15:16:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-08 15:16:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 15:16:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 15:16:57,124 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 15:16:57,126 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 15:16:57,376 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-08 15:16:57,376 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 15:16:57,395 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 15:16:57,397 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 15:16:57,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:16:57 BoogieIcfgContainer [2024-11-08 15:16:57,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 15:16:57,399 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 15:16:57,399 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 15:16:57,403 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 15:16:57,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 03:16:56" (1/3) ... [2024-11-08 15:16:57,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b49a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:16:57, skipping insertion in model container [2024-11-08 15:16:57,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 03:16:56" (2/3) ... [2024-11-08 15:16:57,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b49a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 03:16:57, skipping insertion in model container [2024-11-08 15:16:57,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:16:57" (3/3) ... [2024-11-08 15:16:57,406 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2024-11-08 15:16:57,421 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 15:16:57,421 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 15:16:57,478 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 15:16:57,483 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@4cf0a862, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 15:16:57,484 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 15:16:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 78 states have (on average 1.358974358974359) internal successors, (106), 87 states have internal predecessors, (106), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 15:16:57,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 15:16:57,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:57,502 INFO L215 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] [2024-11-08 15:16:57,502 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:57,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:57,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1870870440, now seen corresponding path program 1 times [2024-11-08 15:16:57,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:57,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359805248] [2024-11-08 15:16:57,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-08 15:16:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:57,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-08 15:16:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:57,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 15:16:57,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:57,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359805248] [2024-11-08 15:16:57,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359805248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:57,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:57,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 15:16:57,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629593903] [2024-11-08 15:16:57,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:57,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 15:16:57,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:57,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 15:16:57,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 15:16:57,790 INFO L87 Difference]: Start difference. First operand has 105 states, 78 states have (on average 1.358974358974359) internal successors, (106), 87 states have internal predecessors, (106), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) 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) [2024-11-08 15:16:57,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:16:57,831 INFO L93 Difference]: Finished difference Result 201 states and 270 transitions. [2024-11-08 15:16:57,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 15:16:57,834 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 [2024-11-08 15:16:57,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:16:57,844 INFO L225 Difference]: With dead ends: 201 [2024-11-08 15:16:57,844 INFO L226 Difference]: Without dead ends: 96 [2024-11-08 15:16:57,848 INFO L431 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 [2024-11-08 15:16:57,854 INFO L432 NwaCegarLoop]: 132 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, 132 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 [2024-11-08 15:16:57,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:16:57,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-08 15:16:57,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-08 15:16:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 71 states have (on average 1.295774647887324) internal successors, (92), 79 states have internal predecessors, (92), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-08 15:16:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 123 transitions. [2024-11-08 15:16:57,906 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 123 transitions. Word has length 32 [2024-11-08 15:16:57,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:16:57,907 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 123 transitions. [2024-11-08 15:16:57,907 INFO L472 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) [2024-11-08 15:16:57,907 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 123 transitions. [2024-11-08 15:16:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 15:16:57,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:57,913 INFO L215 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] [2024-11-08 15:16:57,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 15:16:57,913 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:57,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:57,914 INFO L85 PathProgramCache]: Analyzing trace with hash 470285971, now seen corresponding path program 1 times [2024-11-08 15:16:57,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:57,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632508195] [2024-11-08 15:16:57,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:57,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:58,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-08 15:16:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:58,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-08 15:16:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:58,086 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 15:16:58,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:58,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632508195] [2024-11-08 15:16:58,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632508195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:58,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:58,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 15:16:58,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093716130] [2024-11-08 15:16:58,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:58,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:16:58,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:58,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:16:58,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 15:16:58,095 INFO L87 Difference]: Start difference. First operand 96 states and 123 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) [2024-11-08 15:16:58,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:16:58,116 INFO L93 Difference]: Finished difference Result 153 states and 195 transitions. [2024-11-08 15:16:58,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:16:58,116 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 [2024-11-08 15:16:58,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:16:58,118 INFO L225 Difference]: With dead ends: 153 [2024-11-08 15:16:58,118 INFO L226 Difference]: Without dead ends: 87 [2024-11-08 15:16:58,119 INFO L431 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 [2024-11-08 15:16:58,120 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 16 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 199 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 [2024-11-08 15:16:58,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 199 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:16:58,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-08 15:16:58,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-08 15:16:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 73 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-08 15:16:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 111 transitions. [2024-11-08 15:16:58,137 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 111 transitions. Word has length 33 [2024-11-08 15:16:58,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:16:58,137 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 111 transitions. [2024-11-08 15:16:58,137 INFO L472 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) [2024-11-08 15:16:58,138 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 111 transitions. [2024-11-08 15:16:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-08 15:16:58,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:58,140 INFO L215 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] [2024-11-08 15:16:58,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 15:16:58,141 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:58,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:58,142 INFO L85 PathProgramCache]: Analyzing trace with hash 746670416, now seen corresponding path program 1 times [2024-11-08 15:16:58,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:58,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019216134] [2024-11-08 15:16:58,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:58,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:58,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:16:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:58,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 15:16:58,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:58,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 15:16:58,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:58,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019216134] [2024-11-08 15:16:58,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019216134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:58,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:58,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:16:58,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571767368] [2024-11-08 15:16:58,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:58,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:16:58,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:58,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:16:58,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:16:58,365 INFO L87 Difference]: Start difference. First operand 87 states and 111 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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) [2024-11-08 15:16:58,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:16:58,617 INFO L93 Difference]: Finished difference Result 291 states and 379 transitions. [2024-11-08 15:16:58,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:16:58,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 [2024-11-08 15:16:58,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:16:58,620 INFO L225 Difference]: With dead ends: 291 [2024-11-08 15:16:58,620 INFO L226 Difference]: Without dead ends: 212 [2024-11-08 15:16:58,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-08 15:16:58,622 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 190 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:16:58,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 488 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:16:58,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-08 15:16:58,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2024-11-08 15:16:58,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 152 states have (on average 1.3355263157894737) internal successors, (203), 170 states have internal predecessors, (203), 32 states have call successors, (32), 21 states have call predecessors, (32), 21 states have return successors, (33), 24 states have call predecessors, (33), 32 states have call successors, (33) [2024-11-08 15:16:58,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 268 transitions. [2024-11-08 15:16:58,656 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 268 transitions. Word has length 37 [2024-11-08 15:16:58,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:16:58,657 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 268 transitions. [2024-11-08 15:16:58,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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) [2024-11-08 15:16:58,658 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 268 transitions. [2024-11-08 15:16:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 15:16:58,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:58,660 INFO L215 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] [2024-11-08 15:16:58,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 15:16:58,660 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:58,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:58,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1079510586, now seen corresponding path program 1 times [2024-11-08 15:16:58,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:58,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105254288] [2024-11-08 15:16:58,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:58,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:58,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 15:16:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:58,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 15:16:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 15:16:58,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:58,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105254288] [2024-11-08 15:16:58,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105254288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:58,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:58,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:16:58,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283133057] [2024-11-08 15:16:58,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:58,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:16:58,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:58,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:16:58,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:16:58,805 INFO L87 Difference]: Start difference. First operand 206 states and 268 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) [2024-11-08 15:16:58,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:16:58,951 INFO L93 Difference]: Finished difference Result 497 states and 656 transitions. [2024-11-08 15:16:58,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:16:58,951 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 [2024-11-08 15:16:58,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:16:58,955 INFO L225 Difference]: With dead ends: 497 [2024-11-08 15:16:58,955 INFO L226 Difference]: Without dead ends: 299 [2024-11-08 15:16:58,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:16:58,958 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 80 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 455 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:16:58,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 455 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:16:58,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-08 15:16:59,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 297. [2024-11-08 15:16:59,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 221 states have (on average 1.2714932126696832) internal successors, (281), 240 states have internal predecessors, (281), 41 states have call successors, (41), 34 states have call predecessors, (41), 34 states have return successors, (51), 38 states have call predecessors, (51), 41 states have call successors, (51) [2024-11-08 15:16:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 373 transitions. [2024-11-08 15:16:59,012 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 373 transitions. Word has length 41 [2024-11-08 15:16:59,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:16:59,013 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 373 transitions. [2024-11-08 15:16:59,013 INFO L472 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) [2024-11-08 15:16:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 373 transitions. [2024-11-08 15:16:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 15:16:59,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:59,015 INFO L215 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] [2024-11-08 15:16:59,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 15:16:59,016 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:59,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:59,016 INFO L85 PathProgramCache]: Analyzing trace with hash -298139813, now seen corresponding path program 1 times [2024-11-08 15:16:59,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:59,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007747658] [2024-11-08 15:16:59,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:59,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:16:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 15:16:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:16:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:16:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 15:16:59,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:59,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007747658] [2024-11-08 15:16:59,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007747658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:59,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:59,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 15:16:59,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315560003] [2024-11-08 15:16:59,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:59,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 15:16:59,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:59,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 15:16:59,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 15:16:59,170 INFO L87 Difference]: Start difference. First operand 297 states and 373 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 15:16:59,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:16:59,347 INFO L93 Difference]: Finished difference Result 640 states and 823 transitions. [2024-11-08 15:16:59,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 15:16:59,348 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 59 [2024-11-08 15:16:59,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:16:59,350 INFO L225 Difference]: With dead ends: 640 [2024-11-08 15:16:59,351 INFO L226 Difference]: Without dead ends: 351 [2024-11-08 15:16:59,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:16:59,356 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 59 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:16:59,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 374 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:16:59,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-08 15:16:59,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 349. [2024-11-08 15:16:59,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 263 states have (on average 1.258555133079848) internal successors, (331), 282 states have internal predecessors, (331), 45 states have call successors, (45), 34 states have call predecessors, (45), 40 states have return successors, (61), 46 states have call predecessors, (61), 45 states have call successors, (61) [2024-11-08 15:16:59,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 437 transitions. [2024-11-08 15:16:59,409 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 437 transitions. Word has length 59 [2024-11-08 15:16:59,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:16:59,409 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 437 transitions. [2024-11-08 15:16:59,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 15:16:59,410 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 437 transitions. [2024-11-08 15:16:59,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 15:16:59,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:59,414 INFO L215 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] [2024-11-08 15:16:59,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 15:16:59,415 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:59,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:59,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1625088221, now seen corresponding path program 1 times [2024-11-08 15:16:59,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:59,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30978074] [2024-11-08 15:16:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:16:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 15:16:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:16:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:16:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 15:16:59,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:59,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30978074] [2024-11-08 15:16:59,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30978074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:59,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:59,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 15:16:59,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944714216] [2024-11-08 15:16:59,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:59,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 15:16:59,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:59,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 15:16:59,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:16:59,537 INFO L87 Difference]: Start difference. First operand 349 states and 437 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 15:16:59,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:16:59,716 INFO L93 Difference]: Finished difference Result 696 states and 891 transitions. [2024-11-08 15:16:59,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:16:59,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 59 [2024-11-08 15:16:59,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:16:59,720 INFO L225 Difference]: With dead ends: 696 [2024-11-08 15:16:59,721 INFO L226 Difference]: Without dead ends: 355 [2024-11-08 15:16:59,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:16:59,723 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 58 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 15:16:59,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 449 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 15:16:59,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-08 15:16:59,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-11-08 15:16:59,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 267 states have (on average 1.2546816479400749) internal successors, (335), 286 states have internal predecessors, (335), 45 states have call successors, (45), 34 states have call predecessors, (45), 40 states have return successors, (61), 46 states have call predecessors, (61), 45 states have call successors, (61) [2024-11-08 15:16:59,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 441 transitions. [2024-11-08 15:16:59,758 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 441 transitions. Word has length 59 [2024-11-08 15:16:59,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:16:59,758 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 441 transitions. [2024-11-08 15:16:59,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-08 15:16:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 441 transitions. [2024-11-08 15:16:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 15:16:59,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:16:59,760 INFO L215 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] [2024-11-08 15:16:59,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 15:16:59,761 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:16:59,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:16:59,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1283675681, now seen corresponding path program 1 times [2024-11-08 15:16:59,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:16:59,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962542493] [2024-11-08 15:16:59,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:16:59,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:16:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-08 15:16:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 15:16:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:16:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-08 15:16:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:16:59,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 15:16:59,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:16:59,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962542493] [2024-11-08 15:16:59,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962542493] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:16:59,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:16:59,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 15:16:59,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680304561] [2024-11-08 15:16:59,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:16:59,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 15:16:59,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:16:59,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 15:16:59,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 15:16:59,902 INFO L87 Difference]: Start difference. First operand 353 states and 441 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 15:17:00,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:00,175 INFO L93 Difference]: Finished difference Result 1040 states and 1352 transitions. [2024-11-08 15:17:00,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 15:17:00,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 59 [2024-11-08 15:17:00,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:00,181 INFO L225 Difference]: With dead ends: 1040 [2024-11-08 15:17:00,181 INFO L226 Difference]: Without dead ends: 695 [2024-11-08 15:17:00,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 15:17:00,183 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 237 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:00,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 311 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 15:17:00,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-11-08 15:17:00,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 688. [2024-11-08 15:17:00,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 519 states have (on average 1.229287090558767) internal successors, (638), 550 states have internal predecessors, (638), 92 states have call successors, (92), 75 states have call predecessors, (92), 76 states have return successors, (137), 90 states have call predecessors, (137), 92 states have call successors, (137) [2024-11-08 15:17:00,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 867 transitions. [2024-11-08 15:17:00,252 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 867 transitions. Word has length 59 [2024-11-08 15:17:00,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:00,254 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 867 transitions. [2024-11-08 15:17:00,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-08 15:17:00,255 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 867 transitions. [2024-11-08 15:17:00,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-08 15:17:00,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:00,256 INFO L215 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] [2024-11-08 15:17:00,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 15:17:00,257 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:00,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:00,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1565994427, now seen corresponding path program 1 times [2024-11-08 15:17:00,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:00,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256189070] [2024-11-08 15:17:00,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:00,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:00,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:00,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 15:17:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:00,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:17:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:00,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:00,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 15:17:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 15:17:00,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:00,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256189070] [2024-11-08 15:17:00,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256189070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:00,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 15:17:00,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 15:17:00,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203637919] [2024-11-08 15:17:00,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:00,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 15:17:00,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:00,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 15:17:00,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 15:17:00,508 INFO L87 Difference]: Start difference. First operand 688 states and 867 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-08 15:17:01,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:01,173 INFO L93 Difference]: Finished difference Result 2043 states and 2674 transitions. [2024-11-08 15:17:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 15:17:01,174 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (6), 4 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 63 [2024-11-08 15:17:01,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:01,182 INFO L225 Difference]: With dead ends: 2043 [2024-11-08 15:17:01,183 INFO L226 Difference]: Without dead ends: 1500 [2024-11-08 15:17:01,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2024-11-08 15:17:01,187 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 504 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:01,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 551 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 15:17:01,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2024-11-08 15:17:01,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1308. [2024-11-08 15:17:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1308 states, 985 states have (on average 1.2243654822335026) internal successors, (1206), 1051 states have internal predecessors, (1206), 175 states have call successors, (175), 131 states have call predecessors, (175), 147 states have return successors, (263), 172 states have call predecessors, (263), 175 states have call successors, (263) [2024-11-08 15:17:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 1644 transitions. [2024-11-08 15:17:01,304 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 1644 transitions. Word has length 63 [2024-11-08 15:17:01,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:01,304 INFO L471 AbstractCegarLoop]: Abstraction has 1308 states and 1644 transitions. [2024-11-08 15:17:01,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 7 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-08 15:17:01,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1644 transitions. [2024-11-08 15:17:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 15:17:01,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:01,307 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:01,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 15:17:01,308 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:01,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:01,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1917161194, now seen corresponding path program 1 times [2024-11-08 15:17:01,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:01,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914826427] [2024-11-08 15:17:01,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:01,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:17:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-08 15:17:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-08 15:17:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 15:17:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 15:17:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,541 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 15:17:01,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:01,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914826427] [2024-11-08 15:17:01,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914826427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:01,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472132858] [2024-11-08 15:17:01,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:01,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:01,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:01,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:01,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 15:17:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:01,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 15:17:01,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:01,875 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 15:17:01,878 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:17:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-08 15:17:02,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472132858] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:17:02,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:17:02,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 16 [2024-11-08 15:17:02,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953431438] [2024-11-08 15:17:02,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:17:02,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 15:17:02,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:02,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 15:17:02,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-08 15:17:02,126 INFO L87 Difference]: Start difference. First operand 1308 states and 1644 transitions. Second operand has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-08 15:17:03,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:03,461 INFO L93 Difference]: Finished difference Result 2910 states and 3793 transitions. [2024-11-08 15:17:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-08 15:17:03,462 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) Word has length 106 [2024-11-08 15:17:03,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:03,473 INFO L225 Difference]: With dead ends: 2910 [2024-11-08 15:17:03,473 INFO L226 Difference]: Without dead ends: 1741 [2024-11-08 15:17:03,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 234 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=400, Invalid=1762, Unknown=0, NotChecked=0, Total=2162 [2024-11-08 15:17:03,479 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 338 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 1241 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 1493 SdHoareTripleChecker+Invalid, 1368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:03,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 1493 Invalid, 1368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 1241 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 15:17:03,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2024-11-08 15:17:03,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1462. [2024-11-08 15:17:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1462 states, 1086 states have (on average 1.205340699815838) internal successors, (1309), 1172 states have internal predecessors, (1309), 202 states have call successors, (202), 166 states have call predecessors, (202), 173 states have return successors, (272), 183 states have call predecessors, (272), 202 states have call successors, (272) [2024-11-08 15:17:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 1783 transitions. [2024-11-08 15:17:03,604 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 1783 transitions. Word has length 106 [2024-11-08 15:17:03,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:03,605 INFO L471 AbstractCegarLoop]: Abstraction has 1462 states and 1783 transitions. [2024-11-08 15:17:03,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.6875) internal successors, (123), 11 states have internal predecessors, (123), 5 states have call successors, (24), 7 states have call predecessors, (24), 6 states have return successors, (20), 7 states have call predecessors, (20), 5 states have call successors, (20) [2024-11-08 15:17:03,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1783 transitions. [2024-11-08 15:17:03,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-08 15:17:03,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:03,611 INFO L215 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, 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] [2024-11-08 15:17:03,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 15:17:03,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:03,813 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:03,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:03,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1156305554, now seen corresponding path program 1 times [2024-11-08 15:17:03,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:03,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098220483] [2024-11-08 15:17:03,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:03,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:03,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:17:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:17:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:17:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 15:17:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:17:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-08 15:17:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-08 15:17:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-08 15:17:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,159 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 101 proven. 13 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-08 15:17:04,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:04,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098220483] [2024-11-08 15:17:04,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098220483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:04,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625640445] [2024-11-08 15:17:04,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:04,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:04,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:04,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:04,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 15:17:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:04,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 15:17:04,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 154 proven. 4 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 15:17:04,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:17:05,025 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 77 proven. 39 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-08 15:17:05,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625640445] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:17:05,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:17:05,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 28 [2024-11-08 15:17:05,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164579837] [2024-11-08 15:17:05,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:17:05,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-08 15:17:05,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:05,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-08 15:17:05,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=632, Unknown=0, NotChecked=0, Total=756 [2024-11-08 15:17:05,028 INFO L87 Difference]: Start difference. First operand 1462 states and 1783 transitions. Second operand has 28 states, 28 states have (on average 7.642857142857143) internal successors, (214), 22 states have internal predecessors, (214), 10 states have call successors, (35), 8 states have call predecessors, (35), 11 states have return successors, (39), 11 states have call predecessors, (39), 10 states have call successors, (39) [2024-11-08 15:17:07,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:07,232 INFO L93 Difference]: Finished difference Result 4358 states and 5535 transitions. [2024-11-08 15:17:07,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-08 15:17:07,233 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 7.642857142857143) internal successors, (214), 22 states have internal predecessors, (214), 10 states have call successors, (35), 8 states have call predecessors, (35), 11 states have return successors, (39), 11 states have call predecessors, (39), 10 states have call successors, (39) Word has length 191 [2024-11-08 15:17:07,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:07,249 INFO L225 Difference]: With dead ends: 4358 [2024-11-08 15:17:07,249 INFO L226 Difference]: Without dead ends: 2904 [2024-11-08 15:17:07,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 415 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1429 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=985, Invalid=4565, Unknown=0, NotChecked=0, Total=5550 [2024-11-08 15:17:07,257 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1199 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 1956 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 1259 SdHoareTripleChecker+Invalid, 2445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 1956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:07,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 1259 Invalid, 2445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 1956 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 15:17:07,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2024-11-08 15:17:07,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2802. [2024-11-08 15:17:07,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2802 states, 2101 states have (on average 1.1561161351737268) internal successors, (2429), 2232 states have internal predecessors, (2429), 384 states have call successors, (384), 330 states have call predecessors, (384), 316 states have return successors, (474), 332 states have call predecessors, (474), 384 states have call successors, (474) [2024-11-08 15:17:07,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 2802 states and 3287 transitions. [2024-11-08 15:17:07,481 INFO L78 Accepts]: Start accepts. Automaton has 2802 states and 3287 transitions. Word has length 191 [2024-11-08 15:17:07,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:07,482 INFO L471 AbstractCegarLoop]: Abstraction has 2802 states and 3287 transitions. [2024-11-08 15:17:07,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 7.642857142857143) internal successors, (214), 22 states have internal predecessors, (214), 10 states have call successors, (35), 8 states have call predecessors, (35), 11 states have return successors, (39), 11 states have call predecessors, (39), 10 states have call successors, (39) [2024-11-08 15:17:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 3287 transitions. [2024-11-08 15:17:07,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-08 15:17:07,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:07,491 INFO L215 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, 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] [2024-11-08 15:17:07,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 15:17:07,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 15:17:07,695 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:07,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:07,696 INFO L85 PathProgramCache]: Analyzing trace with hash 2132410704, now seen corresponding path program 1 times [2024-11-08 15:17:07,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:07,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041056216] [2024-11-08 15:17:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:07,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:07,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:07,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:17:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:07,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:07,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:07,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:07,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:17:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:07,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:07,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:07,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:17:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:17:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 15:17:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-08 15:17:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:17:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 15:17:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-08 15:17:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-08 15:17:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-11-08 15:17:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-08 15:17:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 95 proven. 44 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-08 15:17:08,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:08,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041056216] [2024-11-08 15:17:08,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041056216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:08,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868695709] [2024-11-08 15:17:08,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:08,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:08,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:08,059 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:08,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 15:17:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:08,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 15:17:08,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:08,358 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 195 proven. 9 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 15:17:08,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:17:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 99 proven. 54 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-08 15:17:08,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868695709] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:17:08,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:17:08,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 23 [2024-11-08 15:17:08,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480017837] [2024-11-08 15:17:08,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:17:08,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 15:17:08,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:08,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 15:17:08,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-08 15:17:08,774 INFO L87 Difference]: Start difference. First operand 2802 states and 3287 transitions. Second operand has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 16 states have internal predecessors, (215), 6 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (41), 9 states have call predecessors, (41), 6 states have call successors, (41) [2024-11-08 15:17:10,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:10,430 INFO L93 Difference]: Finished difference Result 5472 states and 6492 transitions. [2024-11-08 15:17:10,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-08 15:17:10,431 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 16 states have internal predecessors, (215), 6 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (41), 9 states have call predecessors, (41), 6 states have call successors, (41) Word has length 211 [2024-11-08 15:17:10,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:10,450 INFO L225 Difference]: With dead ends: 5472 [2024-11-08 15:17:10,450 INFO L226 Difference]: Without dead ends: 2940 [2024-11-08 15:17:10,458 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=399, Invalid=1857, Unknown=0, NotChecked=0, Total=2256 [2024-11-08 15:17:10,460 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 528 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 1835 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 2016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:10,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 467 Invalid, 2016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1835 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:17:10,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2940 states. [2024-11-08 15:17:10,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2940 to 2716. [2024-11-08 15:17:10,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 2045 states have (on average 1.1466992665036675) internal successors, (2345), 2164 states have internal predecessors, (2345), 350 states have call successors, (350), 322 states have call predecessors, (350), 320 states have return successors, (422), 322 states have call predecessors, (422), 350 states have call successors, (422) [2024-11-08 15:17:10,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3117 transitions. [2024-11-08 15:17:10,693 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3117 transitions. Word has length 211 [2024-11-08 15:17:10,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:10,693 INFO L471 AbstractCegarLoop]: Abstraction has 2716 states and 3117 transitions. [2024-11-08 15:17:10,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 16 states have internal predecessors, (215), 6 states have call successors, (48), 8 states have call predecessors, (48), 11 states have return successors, (41), 9 states have call predecessors, (41), 6 states have call successors, (41) [2024-11-08 15:17:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3117 transitions. [2024-11-08 15:17:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-08 15:17:10,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:10,703 INFO L215 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, 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] [2024-11-08 15:17:10,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 15:17:10,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:10,903 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:10,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:10,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1954980905, now seen corresponding path program 1 times [2024-11-08 15:17:10,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:10,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197144961] [2024-11-08 15:17:10,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:10,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:10,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:17:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:11,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:17:11,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:17:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:17:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:17:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:17:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:17:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 15:17:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 15:17:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-08 15:17:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-08 15:17:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-08 15:17:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-08 15:17:11,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:11,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197144961] [2024-11-08 15:17:11,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197144961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:11,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594709687] [2024-11-08 15:17:11,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:11,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:11,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:11,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:11,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 15:17:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:11,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 15:17:11,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:11,708 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 138 proven. 26 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-08 15:17:11,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:17:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 99 proven. 45 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-08 15:17:12,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594709687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:17:12,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:17:12,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 8, 13] total 29 [2024-11-08 15:17:12,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420333906] [2024-11-08 15:17:12,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:17:12,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-08 15:17:12,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:12,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-08 15:17:12,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=692, Unknown=0, NotChecked=0, Total=812 [2024-11-08 15:17:12,362 INFO L87 Difference]: Start difference. First operand 2716 states and 3117 transitions. Second operand has 29 states, 29 states have (on average 8.724137931034482) internal successors, (253), 23 states have internal predecessors, (253), 13 states have call successors, (50), 12 states have call predecessors, (50), 15 states have return successors, (51), 14 states have call predecessors, (51), 13 states have call successors, (51) [2024-11-08 15:17:16,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:16,199 INFO L93 Difference]: Finished difference Result 6047 states and 7029 transitions. [2024-11-08 15:17:16,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-11-08 15:17:16,200 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 8.724137931034482) internal successors, (253), 23 states have internal predecessors, (253), 13 states have call successors, (50), 12 states have call predecessors, (50), 15 states have return successors, (51), 14 states have call predecessors, (51), 13 states have call successors, (51) Word has length 212 [2024-11-08 15:17:16,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:16,217 INFO L225 Difference]: With dead ends: 6047 [2024-11-08 15:17:16,217 INFO L226 Difference]: Without dead ends: 3619 [2024-11-08 15:17:16,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 471 SyntacticMatches, 7 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2471 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1652, Invalid=7278, Unknown=0, NotChecked=0, Total=8930 [2024-11-08 15:17:16,225 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 2028 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 5317 mSolverCounterSat, 757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 6074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 757 IncrementalHoareTripleChecker+Valid, 5317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:16,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 1546 Invalid, 6074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [757 Valid, 5317 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 15:17:16,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3619 states. [2024-11-08 15:17:16,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3619 to 3291. [2024-11-08 15:17:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3291 states, 2482 states have (on average 1.145044319097502) internal successors, (2842), 2600 states have internal predecessors, (2842), 429 states have call successors, (429), 397 states have call predecessors, (429), 379 states have return successors, (488), 386 states have call predecessors, (488), 429 states have call successors, (488) [2024-11-08 15:17:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 3291 states and 3759 transitions. [2024-11-08 15:17:16,526 INFO L78 Accepts]: Start accepts. Automaton has 3291 states and 3759 transitions. Word has length 212 [2024-11-08 15:17:16,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:16,527 INFO L471 AbstractCegarLoop]: Abstraction has 3291 states and 3759 transitions. [2024-11-08 15:17:16,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.724137931034482) internal successors, (253), 23 states have internal predecessors, (253), 13 states have call successors, (50), 12 states have call predecessors, (50), 15 states have return successors, (51), 14 states have call predecessors, (51), 13 states have call successors, (51) [2024-11-08 15:17:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 3759 transitions. [2024-11-08 15:17:16,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-08 15:17:16,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:16,537 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:16,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 15:17:16,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:16,742 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:16,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:16,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1079853825, now seen corresponding path program 1 times [2024-11-08 15:17:16,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:16,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428351378] [2024-11-08 15:17:16,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:16,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:16,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:16,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:17:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:16,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:16,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:17:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:17:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:17:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:17:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:17:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:17:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 15:17:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 15:17:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 15:17:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-08 15:17:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-08 15:17:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-08 15:17:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-08 15:17:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-08 15:17:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,118 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 107 proven. 34 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-08 15:17:17,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:17,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428351378] [2024-11-08 15:17:17,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428351378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:17,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408173198] [2024-11-08 15:17:17,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:17,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:17,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:17,121 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:17,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 15:17:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:17,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 15:17:17,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-08 15:17:17,334 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 15:17:17,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408173198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 15:17:17,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 15:17:17,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2024-11-08 15:17:17,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266541260] [2024-11-08 15:17:17,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 15:17:17,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 15:17:17,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:17,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 15:17:17,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-08 15:17:17,336 INFO L87 Difference]: Start difference. First operand 3291 states and 3759 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:17:17,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:17,504 INFO L93 Difference]: Finished difference Result 4020 states and 4602 transitions. [2024-11-08 15:17:17,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 15:17:17,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 248 [2024-11-08 15:17:17,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:17,516 INFO L225 Difference]: With dead ends: 4020 [2024-11-08 15:17:17,516 INFO L226 Difference]: Without dead ends: 1297 [2024-11-08 15:17:17,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-08 15:17:17,524 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 17 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:17,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 248 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 15:17:17,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2024-11-08 15:17:17,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1272. [2024-11-08 15:17:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1272 states, 960 states have (on average 1.1010416666666667) internal successors, (1057), 998 states have internal predecessors, (1057), 166 states have call successors, (166), 153 states have call predecessors, (166), 145 states have return successors, (183), 148 states have call predecessors, (183), 166 states have call successors, (183) [2024-11-08 15:17:17,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 1272 states and 1406 transitions. [2024-11-08 15:17:17,624 INFO L78 Accepts]: Start accepts. Automaton has 1272 states and 1406 transitions. Word has length 248 [2024-11-08 15:17:17,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:17,625 INFO L471 AbstractCegarLoop]: Abstraction has 1272 states and 1406 transitions. [2024-11-08 15:17:17,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-11-08 15:17:17,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1406 transitions. [2024-11-08 15:17:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-08 15:17:17,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 15:17:17,632 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:17,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 15:17:17,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 15:17:17,833 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 15:17:17,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 15:17:17,833 INFO L85 PathProgramCache]: Analyzing trace with hash -457369096, now seen corresponding path program 1 times [2024-11-08 15:17:17,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 15:17:17,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320069134] [2024-11-08 15:17:17,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:17,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 15:17:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-08 15:17:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 15:17:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:17:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 15:17:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 15:17:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 15:17:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 15:17:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 15:17:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-08 15:17:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 15:17:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-08 15:17:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-08 15:17:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-08 15:17:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-08 15:17:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 15:17:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 15:17:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-08 15:17:18,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-08 15:17:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-11-08 15:17:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 15:17:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-08 15:17:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,594 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 99 proven. 131 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-08 15:17:18,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 15:17:18,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320069134] [2024-11-08 15:17:18,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320069134] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 15:17:18,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581935266] [2024-11-08 15:17:18,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 15:17:18,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:18,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 15:17:18,597 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 15:17:18,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 15:17:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 15:17:18,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 15:17:18,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 15:17:19,081 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 155 proven. 89 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2024-11-08 15:17:19,081 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 15:17:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 96 proven. 136 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2024-11-08 15:17:20,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581935266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 15:17:20,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 15:17:20,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 16] total 32 [2024-11-08 15:17:20,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511119590] [2024-11-08 15:17:20,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 15:17:20,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-08 15:17:20,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 15:17:20,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-08 15:17:20,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2024-11-08 15:17:20,005 INFO L87 Difference]: Start difference. First operand 1272 states and 1406 transitions. Second operand has 32 states, 32 states have (on average 9.8125) internal successors, (314), 28 states have internal predecessors, (314), 19 states have call successors, (62), 13 states have call predecessors, (62), 20 states have return successors, (65), 19 states have call predecessors, (65), 19 states have call successors, (65) [2024-11-08 15:17:21,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 15:17:21,604 INFO L93 Difference]: Finished difference Result 2005 states and 2234 transitions. [2024-11-08 15:17:21,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-08 15:17:21,605 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 9.8125) internal successors, (314), 28 states have internal predecessors, (314), 19 states have call successors, (62), 13 states have call predecessors, (62), 20 states have return successors, (65), 19 states have call predecessors, (65), 19 states have call successors, (65) Word has length 266 [2024-11-08 15:17:21,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 15:17:21,608 INFO L225 Difference]: With dead ends: 2005 [2024-11-08 15:17:21,609 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 15:17:21,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 652 GetRequests, 577 SyntacticMatches, 9 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 942 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=933, Invalid=3623, Unknown=0, NotChecked=0, Total=4556 [2024-11-08 15:17:21,614 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 932 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 2704 mSolverCounterSat, 379 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 3083 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 379 IncrementalHoareTripleChecker+Valid, 2704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 15:17:21,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 668 Invalid, 3083 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [379 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 15:17:21,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 15:17:21,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 15:17:21,615 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) [2024-11-08 15:17:21,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 15:17:21,618 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2024-11-08 15:17:21,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 15:17:21,618 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 15:17:21,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 9.8125) internal successors, (314), 28 states have internal predecessors, (314), 19 states have call successors, (62), 13 states have call predecessors, (62), 20 states have return successors, (65), 19 states have call predecessors, (65), 19 states have call successors, (65) [2024-11-08 15:17:21,619 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 15:17:21,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 15:17:21,622 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 15:17:21,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 15:17:21,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 15:17:21,829 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 15:17:21,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 15:17:40,667 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 15:17:40,688 WARN L156 FloydHoareUtils]: Requires clause for deactivatePump contained old-variable. Original clause: (and (let ((.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4))) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) Eliminated clause: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse6 .cse5 .cse4) (and .cse0 .cse1 .cse6 .cse4))) [2024-11-08 15:17:40,740 WARN L156 FloydHoareUtils]: Requires clause for changeMethaneLevel contained old-variable. Original clause: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0))) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (let ((.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= ~waterLevel~0 1)) (.cse6 (= ~waterLevel~0 0)) (.cse7 (<= 1 |old(~methaneLevelCritical~0)|)) (.cse9 (= 0 ~systemActive~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse2 .cse3 .cse6) (and .cse1 .cse7 .cse3) (and .cse4 .cse2 .cse3 .cse8 .cse5) (and .cse7 .cse3 .cse8) (and .cse0 .cse2 .cse3 .cse8) (and .cse0 .cse2 .cse9) (and .cse7 .cse3 .cse6) (and .cse7 .cse9) (and .cse4 .cse2 (<= 2 ~waterLevel~0) .cse3))) (or .cse0 (< |old(~methaneLevelCritical~0)| 1)) (or .cse1 (< ~waterLevel~0 2)))) Eliminated clause: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse8 (= 2 ~waterLevel~0))) (and (let ((.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (= ~waterLevel~0 0)) (.cse7 (= ~waterLevel~0 1)) (.cse6 (= 0 ~systemActive~0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse1 .cse6) (and .cse5 .cse1 .cse2 .cse7) (and .cse0 .cse1 .cse2 .cse7 .cse3) (and .cse5 .cse8 .cse1 .cse2) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse9 .cse2 .cse4) (and .cse9 .cse2 .cse7) (and .cse9 .cse6) (and .cse9 .cse8 .cse2))) (or .cse5 (< ~methaneLevelCritical~0 1)) (or .cse8 (< ~waterLevel~0 2)))) [2024-11-08 15:17:40,804 WARN L156 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (let ((.cse0 (= 0 ~systemActive~0)) (.cse7 (= |old(~waterLevel~0)| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |old(~waterLevel~0)| 2)) (.cse9 (= |old(~waterLevel~0)| 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse12 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) (and .cse1 .cse2)) (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse8 (<= 1 |old(~switchedOnBeforeTS~0)|)) (.cse10 (<= 1 |old(~pumpRunning~0)|))) (or (and .cse3 .cse4 .cse2 .cse5) (and .cse6 .cse0 (<= |old(~waterLevel~0)| 2)) (and .cse7 .cse6 .cse4 .cse2) (and .cse6 .cse4 .cse8 .cse9 .cse10) (and .cse6 .cse4 .cse10 .cse5) (and .cse3 .cse4 .cse10 .cse5) (and .cse6 .cse4 .cse2 .cse5) (and .cse3 .cse7 .cse4 .cse2) (and .cse3 .cse0 .cse5) (and .cse3 .cse7 .cse10) (and .cse7 .cse6 .cse10) (and .cse3 .cse0 (<= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 .cse2 .cse9) (and .cse6 .cse4 .cse2 .cse9) (and .cse3 .cse4 .cse8 .cse9 .cse10))) (or (not .cse7) (and .cse11 .cse12 .cse4 (= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0)) (< |old(~pumpRunning~0)| 1)) (or (and .cse11 (= 2 ~waterLevel~0) .cse12) (not .cse5)) (or (not .cse9) (and .cse11 .cse12 (= ~waterLevel~0 0))) (or (not .cse2) (and .cse1 .cse12 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0))))) Eliminated clause: (exists ((|old(~pumpRunning~0)| Int) (|old(~switchedOnBeforeTS~0)| Int) (|old(~waterLevel~0)| Int)) (let ((.cse0 (= 0 ~systemActive~0)) (.cse7 (= |old(~waterLevel~0)| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |old(~waterLevel~0)| 2)) (.cse9 (= |old(~waterLevel~0)| 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse12 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (= |old(~pumpRunning~0)| 0))) (and (or (not .cse0) (and .cse1 .cse2)) (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse8 (<= 1 |old(~switchedOnBeforeTS~0)|)) (.cse10 (<= 1 |old(~pumpRunning~0)|))) (or (and .cse3 .cse4 .cse2 .cse5) (and .cse6 .cse0 (<= |old(~waterLevel~0)| 2)) (and .cse7 .cse6 .cse4 .cse2) (and .cse6 .cse4 .cse8 .cse9 .cse10) (and .cse6 .cse4 .cse10 .cse5) (and .cse3 .cse4 .cse10 .cse5) (and .cse6 .cse4 .cse2 .cse5) (and .cse3 .cse7 .cse4 .cse2) (and .cse3 .cse0 .cse5) (and .cse3 .cse7 .cse10) (and .cse7 .cse6 .cse10) (and .cse3 .cse0 (<= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 .cse2 .cse9) (and .cse6 .cse4 .cse2 .cse9) (and .cse3 .cse4 .cse8 .cse9 .cse10))) (or (not .cse7) (and .cse11 .cse12 .cse4 (= ~waterLevel~0 1) (<= 1 ~switchedOnBeforeTS~0)) (< |old(~pumpRunning~0)| 1)) (or (and .cse11 (= 2 ~waterLevel~0) .cse12) (not .cse5)) (or (not .cse9) (and .cse11 .cse12 (= ~waterLevel~0 0))) (or (and .cse1 .cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (not .cse2))))) [2024-11-08 15:17:40,842 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-08 15:17:40,863 WARN L156 FloydHoareUtils]: Requires clause for waterRise contained old-variable. Original clause: (and (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 0 ~systemActive~0)) (.cse7 (<= |old(~waterLevel~0)| 2)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| 1)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (= |old(~waterLevel~0)| 2)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= |old(~waterLevel~0)| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse8) (and .cse4 .cse5 .cse2 .cse9 .cse8) (and .cse0 .cse10 .cse5 .cse2) (and .cse0 .cse1 .cse10 .cse2) (and .cse0 .cse5 .cse6 .cse7) (and .cse4 .cse10 .cse5 .cse2 .cse9) (and .cse0 .cse5 .cse2 .cse3) (and .cse0 .cse5 .cse2 .cse8))) (= |old(~waterLevel~0)| ~waterLevel~0)) Eliminated clause: (let ((.cse9 (= ~waterLevel~0 1)) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse10 (= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= 1 ~systemActive~0)) (.cse8 (= ~waterLevel~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse2 (<= ~waterLevel~0 2)) (.cse3 (= 0 ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse5 .cse6 .cse8) (and .cse0 .cse1 .cse6 .cse9) (and .cse0 .cse5 .cse6 .cse9) (and .cse0 .cse1 .cse10 .cse6) (and .cse4 .cse5 .cse6 .cse9 .cse7) (and .cse0 .cse10 .cse5 .cse6) (and .cse4 .cse10 .cse5 .cse6) (and .cse0 .cse1 .cse6 .cse8) (and .cse0 .cse5 .cse2 .cse3))) [2024-11-08 15:17:40,890 WARN L156 FloydHoareUtils]: Requires clause for processEnvironment__wrappee__methaneQuery contained old-variable. Original clause: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (let ((.cse3 (= ~waterLevel~0 1)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse6 (= ~waterLevel~0 0)) (.cse5 (<= 1 |old(~pumpRunning~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse6) (and .cse7 .cse1 .cse2 .cse3) (and .cse7 .cse1 .cse2 .cse6) (and .cse7 (= 2 ~waterLevel~0) .cse1 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 2)) (and .cse0 .cse1 .cse4 .cse6 .cse5)))) Eliminated clause: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (= ~waterLevel~0 1)) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (= 2 ~waterLevel~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= 1 ~systemActive~0)) (.cse4 (= ~waterLevel~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse4) (and .cse5 .cse6 .cse2 .cse7) (and .cse5 .cse1 .cse2 .cse7) (and .cse5 .cse6 .cse8 .cse2) (and .cse0 .cse1 .cse2 .cse7 .cse3) (and .cse5 .cse8 .cse1 .cse2) (and .cse5 .cse6 .cse2 .cse4))) [2024-11-08 15:17:40,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 03:17:40 BoogieIcfgContainer [2024-11-08 15:17:40,967 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 15:17:40,967 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 15:17:40,967 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 15:17:40,967 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 15:17:40,968 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 03:16:57" (3/4) ... [2024-11-08 15:17:40,971 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 15:17:40,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-08 15:17:40,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-08 15:17:40,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-08 15:17:40,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-08 15:17:40,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-08 15:17:40,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-08 15:17:40,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-08 15:17:40,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-08 15:17:40,976 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-08 15:17:40,983 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-08 15:17:40,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-08 15:17:40,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 15:17:40,984 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 15:17:40,985 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 15:17:41,111 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-08 15:17:41,111 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-08 15:17:41,111 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 15:17:41,112 INFO L158 Benchmark]: Toolchain (without parser) took 44789.47ms. Allocated memory was 151.0MB in the beginning and 673.2MB in the end (delta: 522.2MB). Free memory was 114.5MB in the beginning and 411.8MB in the end (delta: -297.3MB). Peak memory consumption was 223.5MB. Max. memory is 16.1GB. [2024-11-08 15:17:41,112 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 15:17:41,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.58ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 92.9MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 15:17:41,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.09ms. Allocated memory is still 151.0MB. Free memory was 92.9MB in the beginning and 90.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:17:41,114 INFO L158 Benchmark]: Boogie Preprocessor took 43.96ms. Allocated memory is still 151.0MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 15:17:41,114 INFO L158 Benchmark]: RCFGBuilder took 536.99ms. Allocated memory is still 151.0MB. Free memory was 88.0MB in the beginning and 104.2MB in the end (delta: -16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 15:17:41,115 INFO L158 Benchmark]: TraceAbstraction took 43567.82ms. Allocated memory was 151.0MB in the beginning and 673.2MB in the end (delta: 522.2MB). Free memory was 103.9MB in the beginning and 421.2MB in the end (delta: -317.3MB). Peak memory consumption was 398.9MB. Max. memory is 16.1GB. [2024-11-08 15:17:41,115 INFO L158 Benchmark]: Witness Printer took 144.42ms. Allocated memory is still 673.2MB. Free memory was 421.2MB in the beginning and 411.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 15:17:41,117 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.58ms. Allocated memory is still 151.0MB. Free memory was 114.5MB in the beginning and 92.9MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.09ms. Allocated memory is still 151.0MB. Free memory was 92.9MB in the beginning and 90.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.96ms. Allocated memory is still 151.0MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.99ms. Allocated memory is still 151.0MB. Free memory was 88.0MB in the beginning and 104.2MB in the end (delta: -16.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 43567.82ms. Allocated memory was 151.0MB in the beginning and 673.2MB in the end (delta: 522.2MB). Free memory was 103.9MB in the beginning and 421.2MB in the end (delta: -317.3MB). Peak memory consumption was 398.9MB. Max. memory is 16.1GB. * Witness Printer took 144.42ms. Allocated memory is still 673.2MB. Free memory was 421.2MB in the beginning and 411.8MB in the end (delta: 9.4MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [58] - GenericResultAtLocation [Line: 283]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [283] - GenericResultAtLocation [Line: 353]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [353] - GenericResultAtLocation [Line: 454]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [454] - GenericResultAtLocation [Line: 820]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [820] - GenericResultAtLocation [Line: 855]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [855] - GenericResultAtLocation [Line: 905]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [905] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 54]: 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 10 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.4s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6235 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6186 mSDsluCounter, 8640 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7064 mSDsCounter, 2201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14184 IncrementalHoareTripleChecker+Invalid, 16385 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2201 mSolverCounterUnsat, 1576 mSDtfsCounter, 14184 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2938 GetRequests, 2527 SyntacticMatches, 24 SemanticMatches, 387 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5893 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3291occurred in iteration=12, InterpolantAutomatonStates: 287, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 1169 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 2851 NumberOfCodeBlocks, 2851 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3812 ConstructedInterpolants, 0 QuantifiedInterpolants, 8475 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3519 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 25 InterpolantComputations, 9 PerfectInterpolantSequences, 3741/4394 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: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: ((((((((((((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 0))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == systemActive))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 0))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (0 == systemActive))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (splverifierCounter == 0)) && (0 == systemActive))) - InvariantResult [Line: 296]: Location Invariant Derived location invariant: 0 - ProcedureContractResult [Line: 185]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: ((((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (0 != systemActive)) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (0 != systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (0 != systemActive))) || ((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (0 != systemActive))) Ensures: (((pumpRunning == 0) && ((((((((1 <= methaneLevelCritical) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (1 <= \old(pumpRunning))) && (0 != systemActive)) || ((((1 <= methaneLevelCritical) && (2 == waterLevel)) && (1 <= \old(pumpRunning))) && (0 != systemActive))) || ((((2 == waterLevel) && (methaneLevelCritical == 0)) && (1 <= \old(pumpRunning))) && (0 != systemActive))) || (((((methaneLevelCritical == 0) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (1 <= \old(pumpRunning))) && (0 != systemActive)))) && ((((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 101]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: ((((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) Ensures: (((((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 932]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (((((((((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || (((pumpRunning == 0) && (methaneLevelCritical == 0)) && (0 == systemActive))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (2 <= waterLevel)) && (1 == systemActive))) || (((1 <= methaneLevelCritical) && (1 == systemActive)) && (waterLevel == 0))) || (((1 <= methaneLevelCritical) && (1 == systemActive)) && (waterLevel == 1))) || ((1 <= methaneLevelCritical) && (0 == systemActive))) || (((1 <= methaneLevelCritical) && (2 == waterLevel)) && (1 == systemActive))) && ((pumpRunning == 0) || (methaneLevelCritical < 1))) && ((2 == waterLevel) || (waterLevel < 2))) Ensures: ((((((\old(methaneLevelCritical) != 0) || (0 < methaneLevelCritical)) && ((pumpRunning == 0) || (\old(methaneLevelCritical) < 1))) && ((methaneLevelCritical == 0) || (\old(methaneLevelCritical) < 1))) && ((((((((((((((pumpRunning == 0) && (2 == waterLevel)) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive)) || (((((1 <= pumpRunning) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive)) && (waterLevel == 0))) || (((2 == waterLevel) && (1 <= \old(methaneLevelCritical))) && (1 == systemActive))) || (((((1 <= pumpRunning) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((1 <= \old(methaneLevelCritical)) && (waterLevel <= 2)) && (0 == systemActive))) || (((1 <= \old(methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (\old(methaneLevelCritical) == 0)) && (1 == systemActive))) || (((1 <= \old(methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (\old(methaneLevelCritical) == 0)) && (waterLevel <= 2)) && (0 == systemActive)))) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel)))) - ProcedureContractResult [Line: 355]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 74]: Procedure Contract for timeShift Derived contract for procedure timeShift. Ensures: ((((((((((((((pumpRunning == \old(pumpRunning)) || (methaneLevelCritical != 0)) || (\old(pumpRunning) < 1)) && (((\old(pumpRunning) != 0) || (\old(waterLevel) != 1)) || ((pumpRunning == 0) && (waterLevel == 1)))) && ((((1 <= switchedOnBeforeTS) && (waterLevel == 0)) || (\old(waterLevel) != 1)) || (\old(pumpRunning) < 1))) && ((((waterLevel == 1) && (1 <= switchedOnBeforeTS)) || (\old(waterLevel) != 2)) || (\old(pumpRunning) < 1))) && (((\old(pumpRunning) != 0) || ((pumpRunning == 0) && (waterLevel == 0))) || (\old(waterLevel) != 0))) && ((((\old(pumpRunning) != 0) || ((1 <= pumpRunning) && (2 == waterLevel))) || ((pumpRunning == 0) && (2 == waterLevel))) || (\old(waterLevel) != 2))) && ((pumpRunning == 0) || (methaneLevelCritical < 1))) && (((pumpRunning == 0) && (\old(waterLevel) == waterLevel)) || (0 != systemActive))) && ((((((((((((((((((1 <= methaneLevelCritical) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == 2)) || ((((\old(waterLevel) == 1) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || ((((1 <= methaneLevelCritical) && (\old(pumpRunning) == 0)) && (0 == systemActive)) && (\old(waterLevel) == 2))) || ((((\old(waterLevel) == 1) && (methaneLevelCritical == 0)) && (1 <= \old(switchedOnBeforeTS))) && (1 <= \old(pumpRunning)))) || ((((1 <= methaneLevelCritical) && (\old(pumpRunning) == 0)) && (0 == systemActive)) && (\old(waterLevel) <= 1))) || ((((methaneLevelCritical == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == 2))) || ((((1 <= methaneLevelCritical) && (\old(waterLevel) == 1)) && (1 == systemActive)) && (\old(pumpRunning) == 0))) || (((1 <= methaneLevelCritical) && (1 <= \old(pumpRunning))) && (\old(waterLevel) == 2))) || ((((methaneLevelCritical == 0) && (\old(pumpRunning) == 0)) && (0 == systemActive)) && (\old(waterLevel) <= 2))) || ((((1 <= methaneLevelCritical) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == 0))) || (((methaneLevelCritical == 0) && (1 <= \old(pumpRunning))) && (\old(waterLevel) == 2))) || ((((1 <= methaneLevelCritical) && (\old(waterLevel) == 1)) && (1 <= \old(switchedOnBeforeTS))) && (1 <= \old(pumpRunning)))) || ((((methaneLevelCritical == 0) && (1 <= \old(switchedOnBeforeTS))) && (\old(waterLevel) == 0)) && (1 <= \old(pumpRunning)))) || ((((methaneLevelCritical == 0) && (1 == systemActive)) && (\old(pumpRunning) == 0)) && (\old(waterLevel) == 0))) || ((((1 <= methaneLevelCritical) && (1 <= \old(switchedOnBeforeTS))) && (\old(waterLevel) == 0)) && (1 <= \old(pumpRunning))))) && ((1 == systemActive) || (\old(pumpRunning) < 1))) && ((((1 <= switchedOnBeforeTS) && (waterLevel == 0)) || (\old(waterLevel) != 0)) || (\old(pumpRunning) < 1))) && ((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 920]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: ((((((((((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (waterLevel <= 2)) && (0 == systemActive)) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 2)) && (0 == systemActive))) Ensures: ((((((((((pumpRunning == 0) && (waterLevel <= ((long long) \old(waterLevel) + 1))) && ((((long long) \old(waterLevel) + 1) == waterLevel) || (2 == waterLevel))) || (0 != systemActive)) && ((2 == waterLevel) || (\old(waterLevel) != 2))) && ((2 == waterLevel) || (\old(waterLevel) != 1))) && (((((((((((((methaneLevelCritical == 0) && (0 == systemActive)) && (\old(waterLevel) <= 2)) || ((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (\old(waterLevel) == 2))) || (((1 <= methaneLevelCritical) && (1 == systemActive)) && (\old(waterLevel) == 2))) || (((1 <= methaneLevelCritical) && (1 == systemActive)) && (\old(waterLevel) == 0))) || (((1 <= methaneLevelCritical) && (0 == systemActive)) && (\old(waterLevel) <= 2))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (\old(waterLevel) == 0))) || ((((pumpRunning == 0) && (\old(waterLevel) == 1)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (\old(waterLevel) == 1)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (\old(waterLevel) == 1)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (\old(waterLevel) == 2))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (\old(waterLevel) == 0)))) && ((((pumpRunning == 0) && (waterLevel <= ((long long) \old(waterLevel) + 1))) && ((((long long) \old(waterLevel) + 1) == waterLevel) || (2 == waterLevel))) || (methaneLevelCritical < 1))) && ((\old(waterLevel) != 0) || (waterLevel == 1))) && ((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 109]: Procedure Contract for processEnvironment__wrappee__methaneQuery Derived contract for procedure processEnvironment__wrappee__methaneQuery. Requires: ((((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) Ensures: (((((((((((((((((methaneLevelCritical == 0) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) && (1 <= \old(pumpRunning))) || (((methaneLevelCritical == 0) && (\old(pumpRunning) == 0)) && (waterLevel == 0))) || (((1 <= methaneLevelCritical) && (2 == waterLevel)) && (\old(pumpRunning) == 0))) || (((1 <= methaneLevelCritical) && (\old(pumpRunning) == 0)) && (waterLevel == 0))) || ((1 <= methaneLevelCritical) && (waterLevel == 1))) || (((2 == waterLevel) && (methaneLevelCritical == 0)) && (\old(pumpRunning) == 0))) || (((methaneLevelCritical == 0) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((methaneLevelCritical == 0) && (\old(pumpRunning) == 0)) && (waterLevel == 1))) && ((pumpRunning == \old(pumpRunning)) || (\old(pumpRunning) < 1))) && ((pumpRunning == 0) || (methaneLevelCritical < 1))) && (((pumpRunning == 0) || (waterLevel != 0)) || (0 < \old(pumpRunning)))) && (((1 <= pumpRunning) && (1 == systemActive)) || ((pumpRunning == 0) && (1 == systemActive)))) && (((waterLevel != 1) || (0 < \old(pumpRunning))) || ((pumpRunning == 0) && (\old(pumpRunning) == 0)))) && ((((((systemActive == \old(systemActive)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 204]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (((((((((((((((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (waterLevel <= 2)) && (0 == systemActive)) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 2)) && (0 == systemActive))) Ensures: ((((pumpRunning == \result) && ((\result == 0) || (0 != systemActive))) && ((((((((((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 0))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1))) || (((methaneLevelCritical == 0) && (waterLevel <= 2)) && (0 == systemActive))) || ((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1))) || ((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || ((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 0))) || (((1 <= methaneLevelCritical) && (waterLevel <= 2)) && (0 == systemActive))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)))) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) - ProcedureContractResult [Line: 193]: Procedure Contract for isMethaneAlarm Derived contract for procedure isMethaneAlarm. Requires: ((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0))) Ensures: (((methaneLevelCritical == \result) && ((((((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)) || ((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || ((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (1 == systemActive)) && (1 <= switchedOnBeforeTS)) && (waterLevel == 0)))) && (((((((pumpRunning == \old(pumpRunning)) && (systemActive == \old(systemActive))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (waterLevel == \old(waterLevel))) && (methaneLevelCritical == \old(methaneLevelCritical)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 15:17:41,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE