/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 22:57:49,137 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 22:57:49,198 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 22:57:49,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 22:57:49,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 22:57:49,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 22:57:49,229 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 22:57:49,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 22:57:49,230 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 22:57:49,232 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 22:57:49,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 22:57:49,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 22:57:49,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 22:57:49,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 22:57:49,234 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 22:57:49,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 22:57:49,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 22:57:49,235 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 22:57:49,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 22:57:49,236 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 22:57:49,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 22:57:49,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 22:57:49,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 22:57:49,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 22:57:49,237 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 22:57:49,237 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 22:57:49,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 22:57:49,237 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 22:57:49,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 22:57:49,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 22:57:49,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 22:57:49,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 22:57:49,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:49,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 22:57:49,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 22:57:49,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 22:57:49,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 22:57:49,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 22:57:49,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 22:57:49,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 22:57:49,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 22:57:49,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 22:57:49,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 22:57:49,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 22:57:49,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 22:57:49,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 22:57:49,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 22:57:49,433 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 22:57:49,435 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 22:57:49,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2023-12-15 22:57:50,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 22:57:50,576 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 22:57:50,577 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c [2023-12-15 22:57:50,586 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9676b86c1/35ce85a3b03241eb86ed925e313ec49c/FLAG6c67c4e30 [2023-12-15 22:57:50,610 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9676b86c1/35ce85a3b03241eb86ed925e313ec49c [2023-12-15 22:57:50,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 22:57:50,614 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 22:57:50,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:50,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 22:57:50,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 22:57:50,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:50,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c10f71e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50, skipping insertion in model container [2023-12-15 22:57:50,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:50,663 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 22:57:50,807 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2023-12-15 22:57:50,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:50,905 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 22:57:50,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] [2023-12-15 22:57:50,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [101] [2023-12-15 22:57:50,912 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [139] [2023-12-15 22:57:50,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [148] [2023-12-15 22:57:50,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] [2023-12-15 22:57:50,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [318] [2023-12-15 22:57:50,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [583] [2023-12-15 22:57:50,913 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [686] [2023-12-15 22:57:50,918 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product63.cil.c[2897,2910] [2023-12-15 22:57:50,950 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 22:57:50,963 INFO L206 MainTranslator]: Completed translation [2023-12-15 22:57:50,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50 WrapperNode [2023-12-15 22:57:50,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 22:57:50,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:50,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 22:57:50,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 22:57:50,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:50,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:50,998 INFO L138 Inliner]: procedures = 60, calls = 109, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 246 [2023-12-15 22:57:50,998 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 22:57:50,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 22:57:50,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 22:57:50,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 22:57:51,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:51,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:51,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:51,042 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]. [2023-12-15 22:57:51,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:51,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:51,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:51,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:51,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:51,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:51,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 22:57:51,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 22:57:51,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 22:57:51,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 22:57:51,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (1/1) ... [2023-12-15 22:57:51,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 22:57:51,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:51,087 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) [2023-12-15 22:57:51,093 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 [2023-12-15 22:57:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 22:57:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-12-15 22:57:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-12-15 22:57:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-15 22:57:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-15 22:57:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-15 22:57:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-15 22:57:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-12-15 22:57:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-12-15 22:57:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-15 22:57:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-15 22:57:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-15 22:57:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-15 22:57:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-15 22:57:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-15 22:57:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-15 22:57:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-15 22:57:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-15 22:57:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-15 22:57:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 22:57:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-15 22:57:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-15 22:57:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 22:57:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 22:57:51,162 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 22:57:51,163 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 22:57:51,387 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 22:57:51,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 22:57:51,446 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-15 22:57:51,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:51 BoogieIcfgContainer [2023-12-15 22:57:51,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 22:57:51,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 22:57:51,448 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 22:57:51,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 22:57:51,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:57:50" (1/3) ... [2023-12-15 22:57:51,451 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c83ae03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:51, skipping insertion in model container [2023-12-15 22:57:51,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:57:50" (2/3) ... [2023-12-15 22:57:51,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c83ae03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:57:51, skipping insertion in model container [2023-12-15 22:57:51,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:57:51" (3/3) ... [2023-12-15 22:57:51,456 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63.cil.c [2023-12-15 22:57:51,468 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 22:57:51,468 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 22:57:51,505 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 22:57:51,509 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@737868d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 22:57:51,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 22:57:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 62 states have (on average 1.5) internal successors, (93), 73 states have internal predecessors, (93), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-15 22:57:51,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-15 22:57:51,522 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:51,523 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:51,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:51,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:51,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1768623423, now seen corresponding path program 1 times [2023-12-15 22:57:51,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:51,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974258583] [2023-12-15 22:57:51,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:51,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:51,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:51,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:51,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:51,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974258583] [2023-12-15 22:57:51,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974258583] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:51,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:51,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 22:57:51,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223464881] [2023-12-15 22:57:51,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:51,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 22:57:51,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:51,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 22:57:51,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:51,682 INFO L87 Difference]: Start difference. First operand has 93 states, 62 states have (on average 1.5) internal successors, (93), 73 states have internal predecessors, (93), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:51,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:51,740 INFO L93 Difference]: Finished difference Result 184 states and 263 transitions. [2023-12-15 22:57:51,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 22:57:51,742 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 22 [2023-12-15 22:57:51,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:51,751 INFO L225 Difference]: With dead ends: 184 [2023-12-15 22:57:51,752 INFO L226 Difference]: Without dead ends: 88 [2023-12-15 22:57:51,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 22:57:51,759 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:51,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:51,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-15 22:57:51,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-12-15 22:57:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 69 states have internal predecessors, (83), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-15 22:57:51,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2023-12-15 22:57:51,796 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 22 [2023-12-15 22:57:51,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:51,796 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2023-12-15 22:57:51,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:51,796 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2023-12-15 22:57:51,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-15 22:57:51,798 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:51,798 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:51,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-15 22:57:51,798 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:51,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:51,799 INFO L85 PathProgramCache]: Analyzing trace with hash 541963458, now seen corresponding path program 1 times [2023-12-15 22:57:51,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:51,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557419584] [2023-12-15 22:57:51,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:51,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:57:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:51,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:51,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557419584] [2023-12-15 22:57:51,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557419584] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:51,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:51,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:51,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373852903] [2023-12-15 22:57:51,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:51,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:51,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:51,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:51,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:51,897 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:51,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:51,944 INFO L93 Difference]: Finished difference Result 146 states and 198 transitions. [2023-12-15 22:57:51,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:51,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 23 [2023-12-15 22:57:51,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:51,945 INFO L225 Difference]: With dead ends: 146 [2023-12-15 22:57:51,945 INFO L226 Difference]: Without dead ends: 80 [2023-12-15 22:57:51,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:51,947 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 14 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:51,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 173 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:51,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-15 22:57:51,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-12-15 22:57:51,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 64 states have internal predecessors, (77), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-15 22:57:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2023-12-15 22:57:51,955 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 23 [2023-12-15 22:57:51,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:51,955 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2023-12-15 22:57:51,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2023-12-15 22:57:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-15 22:57:51,956 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:51,956 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:51,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-15 22:57:51,957 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:51,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:51,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1027451880, now seen corresponding path program 1 times [2023-12-15 22:57:51,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:51,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400932505] [2023-12-15 22:57:51,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:51,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-12-15 22:57:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:52,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:52,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400932505] [2023-12-15 22:57:52,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400932505] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:52,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:52,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 22:57:52,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070635769] [2023-12-15 22:57:52,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:52,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 22:57:52,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:52,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 22:57:52,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:52,026 INFO L87 Difference]: Start difference. First operand 80 states and 109 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:52,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:52,078 INFO L93 Difference]: Finished difference Result 236 states and 324 transitions. [2023-12-15 22:57:52,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 22:57:52,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 26 [2023-12-15 22:57:52,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:52,080 INFO L225 Difference]: With dead ends: 236 [2023-12-15 22:57:52,080 INFO L226 Difference]: Without dead ends: 158 [2023-12-15 22:57:52,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 22:57:52,081 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 93 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:52,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 201 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 22:57:52,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-12-15 22:57:52,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2023-12-15 22:57:52,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.4326923076923077) internal successors, (149), 123 states have internal predecessors, (149), 32 states have call successors, (32), 18 states have call predecessors, (32), 18 states have return successors, (32), 21 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-15 22:57:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2023-12-15 22:57:52,098 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2023-12-15 22:57:52,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:52,099 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2023-12-15 22:57:52,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-15 22:57:52,099 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2023-12-15 22:57:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-15 22:57:52,100 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:52,101 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:52,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-15 22:57:52,101 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:52,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:52,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1399715380, now seen corresponding path program 1 times [2023-12-15 22:57:52,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:52,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821327888] [2023-12-15 22:57:52,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:52,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-15 22:57:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-15 22:57:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-15 22:57:52,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:52,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821327888] [2023-12-15 22:57:52,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821327888] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:52,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:52,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 22:57:52,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679827724] [2023-12-15 22:57:52,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:52,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 22:57:52,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:52,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 22:57:52,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-15 22:57:52,246 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:52,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:52,401 INFO L93 Difference]: Finished difference Result 406 states and 565 transitions. [2023-12-15 22:57:52,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-15 22:57:52,402 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-12-15 22:57:52,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:52,410 INFO L225 Difference]: With dead ends: 406 [2023-12-15 22:57:52,410 INFO L226 Difference]: Without dead ends: 253 [2023-12-15 22:57:52,413 INFO L412 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 [2023-12-15 22:57:52,414 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 58 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:52,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 408 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:52,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2023-12-15 22:57:52,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 248. [2023-12-15 22:57:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 171 states have (on average 1.3508771929824561) internal successors, (231), 190 states have internal predecessors, (231), 42 states have call successors, (42), 34 states have call predecessors, (42), 34 states have return successors, (54), 37 states have call predecessors, (54), 42 states have call successors, (54) [2023-12-15 22:57:52,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 327 transitions. [2023-12-15 22:57:52,439 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 327 transitions. Word has length 29 [2023-12-15 22:57:52,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:52,439 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 327 transitions. [2023-12-15 22:57:52,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-15 22:57:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 327 transitions. [2023-12-15 22:57:52,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-15 22:57:52,441 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:52,441 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:52,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-15 22:57:52,441 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:52,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:52,442 INFO L85 PathProgramCache]: Analyzing trace with hash -173196600, now seen corresponding path program 1 times [2023-12-15 22:57:52,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:52,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209230043] [2023-12-15 22:57:52,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:52,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 22:57:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-15 22:57:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:52,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:52,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209230043] [2023-12-15 22:57:52,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209230043] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:52,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:52,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 22:57:52,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437813764] [2023-12-15 22:57:52,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:52,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:57:52,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:52,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:57:52,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:57:52,554 INFO L87 Difference]: Start difference. First operand 248 states and 327 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 22:57:52,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:52,703 INFO L93 Difference]: Finished difference Result 550 states and 747 transitions. [2023-12-15 22:57:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:57:52,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-12-15 22:57:52,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:52,711 INFO L225 Difference]: With dead ends: 550 [2023-12-15 22:57:52,711 INFO L226 Difference]: Without dead ends: 304 [2023-12-15 22:57:52,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:52,718 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 63 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:52,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 249 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:52,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2023-12-15 22:57:52,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 298. [2023-12-15 22:57:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 207 states have (on average 1.328502415458937) internal successors, (275), 226 states have internal predecessors, (275), 46 states have call successors, (46), 34 states have call predecessors, (46), 44 states have return successors, (68), 49 states have call predecessors, (68), 46 states have call successors, (68) [2023-12-15 22:57:52,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 389 transitions. [2023-12-15 22:57:52,747 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 389 transitions. Word has length 49 [2023-12-15 22:57:52,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:52,747 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 389 transitions. [2023-12-15 22:57:52,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 22:57:52,747 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 389 transitions. [2023-12-15 22:57:52,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-15 22:57:52,751 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:52,752 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:52,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-15 22:57:52,752 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:52,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:52,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1978634934, now seen corresponding path program 1 times [2023-12-15 22:57:52,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:52,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913332122] [2023-12-15 22:57:52,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:52,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 22:57:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-15 22:57:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:52,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:52,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913332122] [2023-12-15 22:57:52,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913332122] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:52,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:52,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 22:57:52,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508421532] [2023-12-15 22:57:52,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:52,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:57:52,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:52,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:57:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:57:52,897 INFO L87 Difference]: Start difference. First operand 298 states and 389 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 22:57:53,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:53,018 INFO L93 Difference]: Finished difference Result 610 states and 821 transitions. [2023-12-15 22:57:53,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 22:57:53,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2023-12-15 22:57:53,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:53,034 INFO L225 Difference]: With dead ends: 610 [2023-12-15 22:57:53,034 INFO L226 Difference]: Without dead ends: 314 [2023-12-15 22:57:53,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:53,037 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 69 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:53,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 247 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:53,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-12-15 22:57:53,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 302. [2023-12-15 22:57:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 211 states have (on average 1.3222748815165877) internal successors, (279), 230 states have internal predecessors, (279), 46 states have call successors, (46), 34 states have call predecessors, (46), 44 states have return successors, (68), 49 states have call predecessors, (68), 46 states have call successors, (68) [2023-12-15 22:57:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 393 transitions. [2023-12-15 22:57:53,063 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 393 transitions. Word has length 49 [2023-12-15 22:57:53,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:53,064 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 393 transitions. [2023-12-15 22:57:53,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-15 22:57:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 393 transitions. [2023-12-15 22:57:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-15 22:57:53,065 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:53,065 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:53,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-15 22:57:53,065 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:53,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:53,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1838086324, now seen corresponding path program 1 times [2023-12-15 22:57:53,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:53,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545088692] [2023-12-15 22:57:53,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:53,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-12-15 22:57:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-15 22:57:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-12-15 22:57:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:53,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:53,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545088692] [2023-12-15 22:57:53,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545088692] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:53,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:53,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 22:57:53,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869368988] [2023-12-15 22:57:53,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:53,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 22:57:53,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:53,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 22:57:53,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 22:57:53,150 INFO L87 Difference]: Start difference. First operand 302 states and 393 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-12-15 22:57:53,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:53,348 INFO L93 Difference]: Finished difference Result 860 states and 1163 transitions. [2023-12-15 22:57:53,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 22:57:53,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2023-12-15 22:57:53,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:53,352 INFO L225 Difference]: With dead ends: 860 [2023-12-15 22:57:53,352 INFO L226 Difference]: Without dead ends: 560 [2023-12-15 22:57:53,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:53,353 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 221 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:53,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 261 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 22:57:53,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2023-12-15 22:57:53,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 554. [2023-12-15 22:57:53,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 389 states have (on average 1.275064267352185) internal successors, (496), 417 states have internal predecessors, (496), 87 states have call successors, (87), 71 states have call predecessors, (87), 77 states have return successors, (139), 88 states have call predecessors, (139), 87 states have call successors, (139) [2023-12-15 22:57:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 722 transitions. [2023-12-15 22:57:53,393 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 722 transitions. Word has length 49 [2023-12-15 22:57:53,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:53,394 INFO L495 AbstractCegarLoop]: Abstraction has 554 states and 722 transitions. [2023-12-15 22:57:53,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 4 states have internal predecessors, (37), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-12-15 22:57:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 722 transitions. [2023-12-15 22:57:53,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-15 22:57:53,397 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:53,399 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-12-15 22:57:53,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-15 22:57:53,400 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:53,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:53,401 INFO L85 PathProgramCache]: Analyzing trace with hash -444083930, now seen corresponding path program 1 times [2023-12-15 22:57:53,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:53,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589422640] [2023-12-15 22:57:53,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:53,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-12-15 22:57:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-12-15 22:57:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-15 22:57:53,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:53,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589422640] [2023-12-15 22:57:53,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589422640] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:53,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:53,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-15 22:57:53,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465427304] [2023-12-15 22:57:53,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:53,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 22:57:53,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:53,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 22:57:53,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-15 22:57:53,594 INFO L87 Difference]: Start difference. First operand 554 states and 722 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-12-15 22:57:54,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:54,090 INFO L93 Difference]: Finished difference Result 1707 states and 2322 transitions. [2023-12-15 22:57:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 22:57:54,091 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) Word has length 53 [2023-12-15 22:57:54,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:54,097 INFO L225 Difference]: With dead ends: 1707 [2023-12-15 22:57:54,097 INFO L226 Difference]: Without dead ends: 1255 [2023-12-15 22:57:54,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2023-12-15 22:57:54,100 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 445 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:54,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 354 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 22:57:54,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2023-12-15 22:57:54,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1072. [2023-12-15 22:57:54,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 751 states have (on average 1.2743009320905458) internal successors, (957), 812 states have internal predecessors, (957), 170 states have call successors, (170), 126 states have call predecessors, (170), 150 states have return successors, (270), 172 states have call predecessors, (270), 170 states have call successors, (270) [2023-12-15 22:57:54,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1397 transitions. [2023-12-15 22:57:54,176 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1397 transitions. Word has length 53 [2023-12-15 22:57:54,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:54,176 INFO L495 AbstractCegarLoop]: Abstraction has 1072 states and 1397 transitions. [2023-12-15 22:57:54,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 4 states have call successors, (6) [2023-12-15 22:57:54,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1397 transitions. [2023-12-15 22:57:54,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-15 22:57:54,178 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:54,178 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-15 22:57:54,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-15 22:57:54,178 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:54,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:54,179 INFO L85 PathProgramCache]: Analyzing trace with hash -937529434, now seen corresponding path program 1 times [2023-12-15 22:57:54,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:54,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232893438] [2023-12-15 22:57:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:54,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-12-15 22:57:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-12-15 22:57:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-12-15 22:57:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,235 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-15 22:57:54,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:54,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232893438] [2023-12-15 22:57:54,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232893438] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 22:57:54,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 22:57:54,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 22:57:54,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995904696] [2023-12-15 22:57:54,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 22:57:54,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 22:57:54,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:54,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 22:57:54,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-15 22:57:54,236 INFO L87 Difference]: Start difference. First operand 1072 states and 1397 transitions. Second operand has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-12-15 22:57:54,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:54,489 INFO L93 Difference]: Finished difference Result 1272 states and 1650 transitions. [2023-12-15 22:57:54,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 22:57:54,490 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 77 [2023-12-15 22:57:54,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:54,492 INFO L225 Difference]: With dead ends: 1272 [2023-12-15 22:57:54,492 INFO L226 Difference]: Without dead ends: 547 [2023-12-15 22:57:54,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-12-15 22:57:54,496 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 317 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:54,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 244 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 22:57:54,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2023-12-15 22:57:54,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 525. [2023-12-15 22:57:54,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 368 states have (on average 1.236413043478261) internal successors, (455), 396 states have internal predecessors, (455), 82 states have call successors, (82), 62 states have call predecessors, (82), 74 states have return successors, (132), 84 states have call predecessors, (132), 82 states have call successors, (132) [2023-12-15 22:57:54,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 669 transitions. [2023-12-15 22:57:54,526 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 669 transitions. Word has length 77 [2023-12-15 22:57:54,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:54,526 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 669 transitions. [2023-12-15 22:57:54,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 4 states have call successors, (9), 5 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-12-15 22:57:54,526 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 669 transitions. [2023-12-15 22:57:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-15 22:57:54,528 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:54,528 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-12-15 22:57:54,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-15 22:57:54,528 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:54,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:54,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1255693796, now seen corresponding path program 1 times [2023-12-15 22:57:54,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:54,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173360101] [2023-12-15 22:57:54,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:54,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:57:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:54,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:54,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-12-15 22:57:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-12-15 22:57:54,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-12-15 22:57:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-12-15 22:57:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-15 22:57:54,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:54,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173360101] [2023-12-15 22:57:54,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173360101] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:57:54,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663357377] [2023-12-15 22:57:54,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:54,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:57:54,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:54,700 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) [2023-12-15 22:57:54,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 22:57:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:54,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 22:57:54,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:57:54,979 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-15 22:57:54,979 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:57:55,137 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-15 22:57:55,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663357377] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:57:55,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:57:55,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2023-12-15 22:57:55,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526030020] [2023-12-15 22:57:55,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:57:55,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-15 22:57:55,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:55,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-15 22:57:55,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-12-15 22:57:55,139 INFO L87 Difference]: Start difference. First operand 525 states and 669 transitions. Second operand has 15 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) [2023-12-15 22:57:55,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:55,910 INFO L93 Difference]: Finished difference Result 1126 states and 1466 transitions. [2023-12-15 22:57:55,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-15 22:57:55,911 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) Word has length 97 [2023-12-15 22:57:55,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:55,913 INFO L225 Difference]: With dead ends: 1126 [2023-12-15 22:57:55,913 INFO L226 Difference]: Without dead ends: 650 [2023-12-15 22:57:55,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 224 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 462 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=441, Invalid=1451, Unknown=0, NotChecked=0, Total=1892 [2023-12-15 22:57:55,916 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 359 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:55,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 771 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 22:57:55,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2023-12-15 22:57:55,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 583. [2023-12-15 22:57:55,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 405 states have (on average 1.2098765432098766) internal successors, (490), 441 states have internal predecessors, (490), 92 states have call successors, (92), 76 states have call predecessors, (92), 85 states have return successors, (124), 89 states have call predecessors, (124), 92 states have call successors, (124) [2023-12-15 22:57:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 706 transitions. [2023-12-15 22:57:55,950 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 706 transitions. Word has length 97 [2023-12-15 22:57:55,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:55,950 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 706 transitions. [2023-12-15 22:57:55,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 9.75) internal successors, (117), 10 states have internal predecessors, (117), 6 states have call successors, (29), 7 states have call predecessors, (29), 6 states have return successors, (24), 8 states have call predecessors, (24), 6 states have call successors, (24) [2023-12-15 22:57:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 706 transitions. [2023-12-15 22:57:55,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-15 22:57:55,952 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:55,952 INFO L195 NwaCegarLoop]: trace histogram [5, 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, 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] [2023-12-15 22:57:55,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 22:57:56,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-15 22:57:56,161 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:56,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:56,161 INFO L85 PathProgramCache]: Analyzing trace with hash 329819068, now seen corresponding path program 1 times [2023-12-15 22:57:56,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:56,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952480069] [2023-12-15 22:57:56,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:56,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:57:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:57:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:57:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-12-15 22:57:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:57:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-12-15 22:57:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-12-15 22:57:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-12-15 22:57:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-12-15 22:57:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 67 proven. 1 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2023-12-15 22:57:56,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:56,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952480069] [2023-12-15 22:57:56,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952480069] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:57:56,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351244939] [2023-12-15 22:57:56,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:56,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:57:56,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:56,365 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) [2023-12-15 22:57:56,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 22:57:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:56,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-15 22:57:56,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:57:56,584 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 135 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-12-15 22:57:56,584 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:57:56,857 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 67 proven. 34 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-12-15 22:57:56,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351244939] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:57:56,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:57:56,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 23 [2023-12-15 22:57:56,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239663065] [2023-12-15 22:57:56,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:57:56,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-12-15 22:57:56,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:56,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-12-15 22:57:56,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=406, Unknown=0, NotChecked=0, Total=506 [2023-12-15 22:57:56,859 INFO L87 Difference]: Start difference. First operand 583 states and 706 transitions. Second operand has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2023-12-15 22:57:58,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:57:58,182 INFO L93 Difference]: Finished difference Result 1726 states and 2183 transitions. [2023-12-15 22:57:58,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-12-15 22:57:58,182 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 174 [2023-12-15 22:57:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:57:58,186 INFO L225 Difference]: With dead ends: 1726 [2023-12-15 22:57:58,186 INFO L226 Difference]: Without dead ends: 1145 [2023-12-15 22:57:58,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 458 GetRequests, 389 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1133 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=855, Invalid=3701, Unknown=0, NotChecked=0, Total=4556 [2023-12-15 22:57:58,190 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 1396 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 723 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 723 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 22:57:58,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 601 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [723 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 22:57:58,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2023-12-15 22:57:58,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1071. [2023-12-15 22:57:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 756 states have (on average 1.1375661375661377) internal successors, (860), 806 states have internal predecessors, (860), 166 states have call successors, (166), 143 states have call predecessors, (166), 148 states have return successors, (208), 158 states have call predecessors, (208), 166 states have call successors, (208) [2023-12-15 22:57:58,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1234 transitions. [2023-12-15 22:57:58,242 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1234 transitions. Word has length 174 [2023-12-15 22:57:58,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:57:58,242 INFO L495 AbstractCegarLoop]: Abstraction has 1071 states and 1234 transitions. [2023-12-15 22:57:58,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.590909090909091) internal successors, (167), 18 states have internal predecessors, (167), 10 states have call successors, (42), 8 states have call predecessors, (42), 10 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2023-12-15 22:57:58,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1234 transitions. [2023-12-15 22:57:58,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-12-15 22:57:58,245 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:57:58,245 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:57:58,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 22:57:58,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-15 22:57:58,451 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:57:58,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:57:58,451 INFO L85 PathProgramCache]: Analyzing trace with hash -2061927658, now seen corresponding path program 1 times [2023-12-15 22:57:58,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:57:58,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575732978] [2023-12-15 22:57:58,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:58,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:57:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:57:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:57:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:57:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:57:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:57:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-15 22:57:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-12-15 22:57:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-12-15 22:57:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:57:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:57:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:57:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:57:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-12-15 22:57:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-12-15 22:57:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-12-15 22:57:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:57:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:57:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-12-15 22:57:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 73 proven. 48 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-12-15 22:57:58,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:57:58,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575732978] [2023-12-15 22:57:58,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575732978] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:57:58,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772338502] [2023-12-15 22:57:58,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:57:58,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:57:58,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:57:58,695 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) [2023-12-15 22:57:58,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 22:57:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:57:58,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-15 22:57:58,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:57:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 166 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-15 22:57:58,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:57:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 87 proven. 50 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-15 22:57:59,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772338502] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:57:59,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:57:59,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 22 [2023-12-15 22:57:59,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982544129] [2023-12-15 22:57:59,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:57:59,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-15 22:57:59,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:57:59,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-15 22:57:59,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2023-12-15 22:57:59,249 INFO L87 Difference]: Start difference. First operand 1071 states and 1234 transitions. Second operand has 22 states, 19 states have (on average 10.789473684210526) internal successors, (205), 15 states have internal predecessors, (205), 7 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (48), 10 states have call predecessors, (48), 7 states have call successors, (48) [2023-12-15 22:58:00,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:58:00,358 INFO L93 Difference]: Finished difference Result 2096 states and 2448 transitions. [2023-12-15 22:58:00,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-12-15 22:58:00,358 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 19 states have (on average 10.789473684210526) internal successors, (205), 15 states have internal predecessors, (205), 7 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (48), 10 states have call predecessors, (48), 7 states have call successors, (48) Word has length 188 [2023-12-15 22:58:00,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:58:00,363 INFO L225 Difference]: With dead ends: 2096 [2023-12-15 22:58:00,363 INFO L226 Difference]: Without dead ends: 1121 [2023-12-15 22:58:00,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 442 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=483, Invalid=1869, Unknown=0, NotChecked=0, Total=2352 [2023-12-15 22:58:00,366 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 448 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 1846 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 2039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-15 22:58:00,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 298 Invalid, 2039 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1846 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-15 22:58:00,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2023-12-15 22:58:00,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1087. [2023-12-15 22:58:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 764 states have (on average 1.1295811518324608) internal successors, (863), 814 states have internal predecessors, (863), 166 states have call successors, (166), 151 states have call predecessors, (166), 156 states have return successors, (208), 158 states have call predecessors, (208), 166 states have call successors, (208) [2023-12-15 22:58:00,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1237 transitions. [2023-12-15 22:58:00,424 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1237 transitions. Word has length 188 [2023-12-15 22:58:00,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:58:00,424 INFO L495 AbstractCegarLoop]: Abstraction has 1087 states and 1237 transitions. [2023-12-15 22:58:00,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 19 states have (on average 10.789473684210526) internal successors, (205), 15 states have internal predecessors, (205), 7 states have call successors, (54), 8 states have call predecessors, (54), 11 states have return successors, (48), 10 states have call predecessors, (48), 7 states have call successors, (48) [2023-12-15 22:58:00,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1237 transitions. [2023-12-15 22:58:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-15 22:58:00,428 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:58:00,428 INFO L195 NwaCegarLoop]: trace histogram [7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:58:00,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 22:58:00,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:58:00,633 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:58:00,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:58:00,633 INFO L85 PathProgramCache]: Analyzing trace with hash -73825931, now seen corresponding path program 1 times [2023-12-15 22:58:00,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:58:00,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119664] [2023-12-15 22:58:00,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:58:00,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:58:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:58:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:58:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:58:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:58:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:58:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:58:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:58:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:58:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:58:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:58:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:58:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:58:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-15 22:58:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:58:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:58:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:58:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:58:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:58:00,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:58:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-15 22:58:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-12-15 22:58:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-12-15 22:58:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:58:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:58:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-12-15 22:58:00,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,889 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 62 proven. 28 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2023-12-15 22:58:00,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:58:00,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119664] [2023-12-15 22:58:00,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119664] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:58:00,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198390691] [2023-12-15 22:58:00,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:58:00,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:58:00,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:58:00,891 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) [2023-12-15 22:58:00,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 22:58:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:00,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-15 22:58:01,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:58:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 117 proven. 22 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2023-12-15 22:58:01,146 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:58:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 89 proven. 38 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2023-12-15 22:58:01,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198390691] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:58:01,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:58:01,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 13] total 27 [2023-12-15 22:58:01,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419743062] [2023-12-15 22:58:01,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:58:01,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-15 22:58:01,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:58:01,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-15 22:58:01,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=585, Unknown=0, NotChecked=0, Total=702 [2023-12-15 22:58:01,596 INFO L87 Difference]: Start difference. First operand 1087 states and 1237 transitions. Second operand has 27 states, 26 states have (on average 8.423076923076923) internal successors, (219), 21 states have internal predecessors, (219), 14 states have call successors, (56), 12 states have call predecessors, (56), 15 states have return successors, (57), 16 states have call predecessors, (57), 14 states have call successors, (57) [2023-12-15 22:58:03,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:58:03,896 INFO L93 Difference]: Finished difference Result 2423 states and 2804 transitions. [2023-12-15 22:58:03,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-12-15 22:58:03,896 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 8.423076923076923) internal successors, (219), 21 states have internal predecessors, (219), 14 states have call successors, (56), 12 states have call predecessors, (56), 15 states have return successors, (57), 16 states have call predecessors, (57), 14 states have call successors, (57) Word has length 189 [2023-12-15 22:58:03,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:58:03,902 INFO L225 Difference]: With dead ends: 2423 [2023-12-15 22:58:03,902 INFO L226 Difference]: Without dead ends: 1436 [2023-12-15 22:58:03,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 428 SyntacticMatches, 7 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1732 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1357, Invalid=5123, Unknown=0, NotChecked=0, Total=6480 [2023-12-15 22:58:03,907 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 2158 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 2935 mSolverCounterSat, 1078 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 4013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1078 IncrementalHoareTripleChecker+Valid, 2935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-15 22:58:03,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2158 Valid, 550 Invalid, 4013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1078 Valid, 2935 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-15 22:58:03,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2023-12-15 22:58:03,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1296. [2023-12-15 22:58:03,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 912 states have (on average 1.1228070175438596) internal successors, (1024), 959 states have internal predecessors, (1024), 202 states have call successors, (202), 185 states have call predecessors, (202), 181 states have return successors, (239), 185 states have call predecessors, (239), 202 states have call successors, (239) [2023-12-15 22:58:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1465 transitions. [2023-12-15 22:58:03,976 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1465 transitions. Word has length 189 [2023-12-15 22:58:03,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:58:03,976 INFO L495 AbstractCegarLoop]: Abstraction has 1296 states and 1465 transitions. [2023-12-15 22:58:03,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 8.423076923076923) internal successors, (219), 21 states have internal predecessors, (219), 14 states have call successors, (56), 12 states have call predecessors, (56), 15 states have return successors, (57), 16 states have call predecessors, (57), 14 states have call successors, (57) [2023-12-15 22:58:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1465 transitions. [2023-12-15 22:58:03,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-12-15 22:58:03,979 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 22:58:03,979 INFO L195 NwaCegarLoop]: trace histogram [9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:58:03,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 22:58:04,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:58:04,187 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 22:58:04,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 22:58:04,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1491134613, now seen corresponding path program 1 times [2023-12-15 22:58:04,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 22:58:04,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431834917] [2023-12-15 22:58:04,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:58:04,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 22:58:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:58:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-12-15 22:58:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:58:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:58:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:58:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:58:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-12-15 22:58:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:58:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:58:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:58:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-12-15 22:58:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:58:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-12-15 22:58:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-12-15 22:58:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-12-15 22:58:04,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:58:04,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-12-15 22:58:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-12-15 22:58:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-12-15 22:58:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-12-15 22:58:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-12-15 22:58:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-12-15 22:58:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-15 22:58:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-15 22:58:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:58:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:58:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-12-15 22:58:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-12-15 22:58:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-12-15 22:58:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-12-15 22:58:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-15 22:58:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-12-15 22:58:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2023-12-15 22:58:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,505 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 111 proven. 74 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-12-15 22:58:04,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 22:58:04,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431834917] [2023-12-15 22:58:04,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431834917] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 22:58:04,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906331294] [2023-12-15 22:58:04,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 22:58:04,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 22:58:04,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 22:58:04,507 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) [2023-12-15 22:58:04,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 22:58:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 22:58:04,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-15 22:58:04,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 22:58:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 136 proven. 75 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2023-12-15 22:58:04,803 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 22:58:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 90 proven. 114 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2023-12-15 22:58:05,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906331294] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 22:58:05,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-15 22:58:05,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 15] total 25 [2023-12-15 22:58:05,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693013464] [2023-12-15 22:58:05,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-15 22:58:05,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-15 22:58:05,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 22:58:05,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-15 22:58:05,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=485, Unknown=0, NotChecked=0, Total=600 [2023-12-15 22:58:05,364 INFO L87 Difference]: Start difference. First operand 1296 states and 1465 transitions. Second operand has 25 states, 25 states have (on average 10.16) internal successors, (254), 21 states have internal predecessors, (254), 16 states have call successors, (63), 13 states have call predecessors, (63), 17 states have return successors, (66), 16 states have call predecessors, (66), 16 states have call successors, (66) [2023-12-15 22:58:06,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 22:58:06,644 INFO L93 Difference]: Finished difference Result 3171 states and 3636 transitions. [2023-12-15 22:58:06,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-12-15 22:58:06,646 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 10.16) internal successors, (254), 21 states have internal predecessors, (254), 16 states have call successors, (63), 13 states have call predecessors, (63), 17 states have return successors, (66), 16 states have call predecessors, (66), 16 states have call successors, (66) Word has length 241 [2023-12-15 22:58:06,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 22:58:06,646 INFO L225 Difference]: With dead ends: 3171 [2023-12-15 22:58:06,646 INFO L226 Difference]: Without dead ends: 0 [2023-12-15 22:58:06,652 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 596 GetRequests, 535 SyntacticMatches, 13 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=621, Invalid=1829, Unknown=0, NotChecked=0, Total=2450 [2023-12-15 22:58:06,652 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 742 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 2216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 22:58:06,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 402 Invalid, 2216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 1804 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 22:58:06,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-15 22:58:06,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-15 22:58:06,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-15 22:58:06,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-15 22:58:06,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2023-12-15 22:58:06,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 22:58:06,653 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-15 22:58:06,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.16) internal successors, (254), 21 states have internal predecessors, (254), 16 states have call successors, (63), 13 states have call predecessors, (63), 17 states have return successors, (66), 16 states have call predecessors, (66), 16 states have call successors, (66) [2023-12-15 22:58:06,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-15 22:58:06,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-15 22:58:06,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 22:58:06,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 22:58:06,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-12-15 22:58:06,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-15 22:58:15,732 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 466 473) no Hoare annotation was computed. [2023-12-15 22:58:15,732 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 466 473) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (< ~waterLevel~0 2) (= 0 ~systemActive~0)) (or .cse0 (not (= 1 ~systemActive~0))))) [2023-12-15 22:58:15,732 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 356 362) no Hoare annotation was computed. [2023-12-15 22:58:15,733 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 356 362) the Hoare annotation is: true [2023-12-15 22:58:15,733 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (let ((.cse5 (< 1 ~waterLevel~0)) (.cse3 (not (= 2 ~waterLevel~0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 (< ~switchedOnBeforeTS~0 1) .cse4 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 (< 0 ~waterLevel~0) .cse4))) [2023-12-15 22:58:15,733 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 390 414) no Hoare annotation was computed. [2023-12-15 22:58:15,733 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 562) no Hoare annotation was computed. [2023-12-15 22:58:15,733 INFO L899 garLoopResultBuilder]: For program point L558-2(lines 558 562) no Hoare annotation was computed. [2023-12-15 22:58:15,733 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 390 414) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (< ~switchedOnBeforeTS~0 1)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= 2 ~waterLevel~0))) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse9 (< 0 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4 .cse8) (or .cse6 .cse2 .cse9 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse2 (< 1 ~waterLevel~0) .cse10) (or .cse0 .cse1 .cse2 .cse3 .cse10) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse9 .cse4))) [2023-12-15 22:58:15,733 INFO L895 garLoopResultBuilder]: At program point L404(line 404) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse3))) [2023-12-15 22:58:15,733 INFO L895 garLoopResultBuilder]: At program point L400(line 400) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) .cse3 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse3))) [2023-12-15 22:58:15,733 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2023-12-15 22:58:15,733 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 390 414) no Hoare annotation was computed. [2023-12-15 22:58:15,733 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 411) no Hoare annotation was computed. [2023-12-15 22:58:15,733 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 485 493) no Hoare annotation was computed. [2023-12-15 22:58:15,734 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 485 493) the Hoare annotation is: true [2023-12-15 22:58:15,734 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 610 621) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= ~pumpRunning~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4 (not (= 2 ~waterLevel~0))) (or .cse0 .cse5 .cse1 .cse3 .cse4 (< ~switchedOnBeforeTS~0 1)) (or .cse0 .cse2 .cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (< |old(~methaneLevelCritical~0)| 1)))) [2023-12-15 22:58:15,734 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 610 621) no Hoare annotation was computed. [2023-12-15 22:58:15,734 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2023-12-15 22:58:15,734 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 222 251) no Hoare annotation was computed. [2023-12-15 22:58:15,734 INFO L899 garLoopResultBuilder]: For program point L247(lines 222 251) no Hoare annotation was computed. [2023-12-15 22:58:15,734 INFO L899 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2023-12-15 22:58:15,734 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 240) no Hoare annotation was computed. [2023-12-15 22:58:15,734 INFO L902 garLoopResultBuilder]: At program point L236-1(lines 236 240) the Hoare annotation is: true [2023-12-15 22:58:15,734 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 222 251) the Hoare annotation is: true [2023-12-15 22:58:15,734 INFO L902 garLoopResultBuilder]: At program point L232-2(lines 232 246) the Hoare annotation is: true [2023-12-15 22:58:15,734 INFO L902 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: true [2023-12-15 22:58:15,734 INFO L899 garLoopResultBuilder]: For program point L228-1(line 228) no Hoare annotation was computed. [2023-12-15 22:58:15,734 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-12-15 22:58:15,734 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 432) no Hoare annotation was computed. [2023-12-15 22:58:15,734 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 437) no Hoare annotation was computed. [2023-12-15 22:58:15,735 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse20 (= ~waterLevel~0 1)) (.cse14 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse15 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse26 (= ~methaneLevelCritical~0 0)) (.cse24 (= 1 ~systemActive~0)) (.cse25 (<= ~waterLevel~0 0)) (.cse16 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse21 (<= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 1))) (let ((.cse3 (and .cse10 (<= ~waterLevel~0 1) .cse11 .cse21)) (.cse7 (< 0 |old(~waterLevel~0)|)) (.cse18 (and .cse10 .cse25 .cse11 .cse16 .cse21)) (.cse19 (and (<= 1 ~pumpRunning~0) .cse13 .cse26 .cse24 .cse25 .cse11 .cse16 .cse21)) (.cse2 (not .cse26)) (.cse5 (and .cse10 .cse24 .cse25 .cse11 .cse16 .cse21)) (.cse6 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse17 (and .cse10 .cse14 .cse15 .cse16)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= 0 ~systemActive~0))) (.cse22 (and .cse10 .cse15 .cse20 .cse16)) (.cse1 (not .cse24)) (.cse23 (not (= |old(~waterLevel~0)| 2))) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse9 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse8 .cse4 .cse9) (or .cse0 (and .cse10 .cse11) .cse12) (or (< 1 |old(~waterLevel~0)|) (and .cse13 .cse14 .cse15 .cse16) .cse6 .cse1 .cse2 .cse8 .cse17 .cse18 .cse19) (or .cse0 .cse1 .cse3 .cse4 .cse9) (or .cse6 .cse1 .cse7 .cse2 .cse8 .cse18 .cse19) (or (and .cse13 .cse20 .cse16 .cse21) .cse22 .cse1 .cse2 .cse23 .cse8) (or .cse5 .cse6 .cse1 .cse8 .cse4 .cse17 .cse9) (or .cse0 .cse23 .cse12) (or .cse22 .cse1 .cse23 .cse8 .cse9)))) [2023-12-15 22:58:15,735 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2023-12-15 22:58:15,735 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2023-12-15 22:58:15,735 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 594) no Hoare annotation was computed. [2023-12-15 22:58:15,735 INFO L899 garLoopResultBuilder]: For program point L590-2(lines 586 597) no Hoare annotation was computed. [2023-12-15 22:58:15,735 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2023-12-15 22:58:15,735 INFO L895 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (let ((.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (= ~methaneLevelCritical~0 0)) (.cse13 (= |timeShift_processEnvironment_~tmp~5#1| 0)) (.cse11 (= 1 ~systemActive~0)) (.cse14 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse5 (and .cse12 .cse15 .cse13 .cse11 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse14)) (.cse4 (< 0 |old(~waterLevel~0)|)) (.cse3 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (not .cse15)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse8 (and .cse12 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse13 .cse14)) (.cse1 (not .cse11)) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse5 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse7) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse1 .cse5 .cse2 .cse6 .cse8) (or .cse1 .cse7 .cse6 .cse9) (or .cse0 .cse1 .cse4 .cse2) (or .cse3 .cse1 .cse6 .cse10 .cse9) (or .cse1 .cse2 .cse7 .cse6 .cse8) (or .cse0 .cse1 .cse10 .cse9) (or .cse0 (not (= 0 ~systemActive~0)))))) [2023-12-15 22:58:15,735 INFO L895 garLoopResultBuilder]: At program point L426(line 426) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse14 (= 1 ~systemActive~0)) (.cse12 (= |timeShift_processEnvironment_~tmp~5#1| ~methaneLevelCritical~0)) (.cse13 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse9 (and (<= 1 ~pumpRunning~0) .cse11 (<= 1 ~methaneLevelCritical~0) .cse14 .cse12 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse13)) (.cse1 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse6 (< 0 |old(~waterLevel~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse2 (not .cse14)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3) (or .cse1 .cse2 .cse6 .cse4 .cse7 .cse8 .cse9) (or .cse5 .cse2 .cse3 .cse10) (or .cse1 .cse2 (and .cse11 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse12 .cse13) .cse4 .cse7 .cse8 .cse9) (or .cse2 .cse3 .cse10 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse3) (or .cse2 .cse10 .cse4 (and .cse11 .cse12 (= ~waterLevel~0 1) .cse13) .cse8) (or .cse5 .cse2 .cse7 .cse8) (or .cse5 (not (= 0 ~systemActive~0)))))) [2023-12-15 22:58:15,736 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 329 355) the Hoare annotation is: (let ((.cse12 (= |old(~pumpRunning~0)| 0)) (.cse10 (= 2 ~waterLevel~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and .cse9 .cse11 .cse15)) (.cse13 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse14 (and .cse16 .cse11 .cse15)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (and .cse16 .cse10 .cse11)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse1 (not .cse12)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse6 .cse8 (and .cse9 .cse10 .cse11 .cse12)) (or .cse13 .cse2 .cse3 .cse7 .cse14 .cse4) (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse13 .cse2 .cse7 .cse14 .cse4 .cse8) (or .cse2 .cse5 .cse6 .cse7 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse1 .cse2 (and .cse9 .cse11 .cse12 .cse15) .cse8)))) [2023-12-15 22:58:15,736 INFO L895 garLoopResultBuilder]: At program point L422(line 422) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= 1 ~systemActive~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0))) (let ((.cse7 (< 2 |old(~waterLevel~0)|)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse3 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (and .cse11 .cse13 (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse12)) (.cse5 (< 0 |old(~waterLevel~0)|)) (.cse1 (not .cse13)) (.cse10 (and .cse11 (= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse12)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse9) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse1 .cse4 .cse10 .cse2 .cse6) (or .cse1 (and .cse11 (= ~waterLevel~0 1) .cse12) .cse9 .cse6 .cse8) (or .cse0 .cse1 .cse5 .cse2) (or .cse3 .cse1 .cse4 .cse10 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse7 .cse8) (or .cse3 .cse1 .cse4 .cse5 .cse2 .cse6) (or .cse1 .cse10 .cse2 .cse9 .cse6) (or .cse0 (not (= 0 ~systemActive~0)))))) [2023-12-15 22:58:15,736 INFO L899 garLoopResultBuilder]: For program point L422-1(line 422) no Hoare annotation was computed. [2023-12-15 22:58:15,736 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse12 (= |old(~pumpRunning~0)| 0)) (.cse10 (= 2 ~waterLevel~0)) (.cse16 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and .cse9 .cse11 .cse15)) (.cse13 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse14 (and .cse16 .cse11 .cse15)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (and .cse16 .cse10 .cse11)) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse1 (not .cse12)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse6 .cse8 (and .cse9 .cse10 .cse11 .cse12)) (or .cse13 .cse2 .cse3 .cse7 .cse14 .cse4) (or .cse0 .cse1 (not (= 0 ~systemActive~0))) (or .cse13 .cse2 .cse7 .cse14 .cse4 .cse8) (or .cse2 .cse5 .cse6 .cse7 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse1 .cse2 (and .cse9 .cse11 .cse12 .cse15) .cse8)))) [2023-12-15 22:58:15,736 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2023-12-15 22:58:15,736 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L895 garLoopResultBuilder]: At program point L435(line 435) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse1 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse8 (and .cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse11 (< 0 |old(~waterLevel~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse0 .cse2 .cse3 (and .cse7 (= ~waterLevel~0 1))) (or .cse6 .cse8 .cse2 .cse9 .cse10) (or .cse1 .cse2 .cse11 .cse3 .cse4) (or .cse2 .cse5 .cse4 .cse10) (or .cse6 .cse2 (and .cse7 (= 2 ~waterLevel~0)) .cse3 .cse5) (or .cse1 .cse2 .cse4 .cse9 .cse10) (or .cse6 .cse8 .cse2 .cse11 .cse3) (or .cse6 (not (= 0 ~systemActive~0)))))) [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point L435-1(lines 416 440) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 342) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point L80-1(lines 72 100) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point L336-2(lines 332 354) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 329 355) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point L572(lines 572 578) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 190) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2023-12-15 22:58:15,737 INFO L895 garLoopResultBuilder]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse8) (and .cse0 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse8) (and .cse5 .cse2 .cse7 .cse3 .cse4))) [2023-12-15 22:58:15,737 INFO L895 garLoopResultBuilder]: At program point L176(line 176) the Hoare annotation is: (let ((.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (<= ~waterLevel~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= ~waterLevel~0 1)) (.cse9 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4 .cse6) (and .cse5 .cse2 .cse3 .cse4 .cse7) (and .cse5 .cse8 .cse1 .cse3 .cse4) (and .cse5 .cse8 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse4 .cse7 .cse9) (and .cse0 .cse2 .cse3 .cse4 .cse6 .cse9))) [2023-12-15 22:58:15,737 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 312) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point L305-2(lines 305 312) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point L165(lines 164 211) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 207) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L895 garLoopResultBuilder]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= 1 ~systemActive~0) .cse0) (and (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2023-12-15 22:58:15,738 INFO L895 garLoopResultBuilder]: At program point L186(line 186) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse7 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse6 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4 (<= ~waterLevel~0 2)) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse7) (and .cse0 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse7))) [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point L215(lines 154 219) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 180) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L895 garLoopResultBuilder]: At program point L212(lines 163 213) the Hoare annotation is: false [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 206) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L895 garLoopResultBuilder]: At program point L200-2(lines 194 207) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 1)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (<= 1 ~switchedOnBeforeTS~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse4) (and .cse5 .cse2 .cse3 .cse4 (<= ~waterLevel~0 2)) (and .cse0 .cse6 .cse7 .cse3 .cse4 .cse8) (and .cse0 .cse6 .cse1 .cse3 .cse4) (and .cse5 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse2 .cse3 .cse4 (<= ~waterLevel~0 0) .cse8) (and .cse0 .cse2 .cse3 .cse4 (= ~waterLevel~0 1) .cse8))) [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point L667(lines 667 673) no Hoare annotation was computed. [2023-12-15 22:58:15,738 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 543) no Hoare annotation was computed. [2023-12-15 22:58:15,739 INFO L895 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse5)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (and (= ~pumpRunning~0 0) .cse5 (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| 0)))) (and (or .cse0 .cse1 (< ~switchedOnBeforeTS~0 1) .cse2 (< |old(~pumpRunning~0)| 1)) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or .cse3 .cse0 (not (= 2 ~waterLevel~0)) .cse2 .cse4) (or (< 2 ~waterLevel~0) .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1))))) [2023-12-15 22:58:15,739 INFO L899 garLoopResultBuilder]: For program point L539-2(lines 539 543) no Hoare annotation was computed. [2023-12-15 22:58:15,739 INFO L899 garLoopResultBuilder]: For program point L372(lines 372 380) no Hoare annotation was computed. [2023-12-15 22:58:15,739 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 385) no Hoare annotation was computed. [2023-12-15 22:58:15,739 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 364 388) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (< ~switchedOnBeforeTS~0 1)) (.cse8 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= 2 ~waterLevel~0))) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse9 (< 0 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse7 .cse4 .cse8) (or .cse6 .cse2 .cse9 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse2 (< 1 ~waterLevel~0) .cse10) (or .cse0 .cse1 .cse2 .cse3 .cse10) (or .cse5 .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse9 .cse4))) [2023-12-15 22:58:15,739 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 663 676) no Hoare annotation was computed. [2023-12-15 22:58:15,739 INFO L895 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (< ~switchedOnBeforeTS~0 1)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 2 ~waterLevel~0) .cse5 .cse1 (< ~methaneLevelCritical~0 1)) (or .cse0 .cse1 (< 0 ~waterLevel~0) .cse2 .cse3 .cse4) (or .cse5 .cse1 (< 1 ~waterLevel~0) .cse3) (or .cse5 .cse1 (not (= 2 ~waterLevel~0)) .cse3))) [2023-12-15 22:58:15,739 INFO L899 garLoopResultBuilder]: For program point L383-1(lines 364 388) no Hoare annotation was computed. [2023-12-15 22:58:15,739 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 364 388) no Hoare annotation was computed. [2023-12-15 22:58:15,739 INFO L899 garLoopResultBuilder]: For program point L456(lines 456 462) no Hoare annotation was computed. [2023-12-15 22:58:15,739 INFO L895 garLoopResultBuilder]: At program point L454(line 454) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 2 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not .cse3) .cse4) (or (< 2 ~waterLevel~0) .cse0 .cse2 (and .cse1 .cse3) (< ~methaneLevelCritical~0 1)) (or .cse2 .cse5 (< ~switchedOnBeforeTS~0 1) .cse4 (< |old(~pumpRunning~0)| 1)) (or .cse0 .cse2 .cse5 .cse4))) [2023-12-15 22:58:15,739 INFO L899 garLoopResultBuilder]: For program point L456-2(lines 449 465) no Hoare annotation was computed. [2023-12-15 22:58:15,740 INFO L899 garLoopResultBuilder]: For program point L454-1(line 454) no Hoare annotation was computed. [2023-12-15 22:58:15,740 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 598 609) no Hoare annotation was computed. [2023-12-15 22:58:15,740 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 598 609) the Hoare annotation is: (let ((.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (< ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse7 (= 2 ~waterLevel~0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 (< ~switchedOnBeforeTS~0 1) .cse3 .cse4) (or .cse5 .cse4 (not (= 0 ~systemActive~0))) (or .cse5 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse7 .cse2 .cse3 .cse8) (or .cse5 .cse2 (< 0 |old(~waterLevel~0)|) .cse4 .cse6) (or .cse5 .cse7 .cse2 .cse3 .cse8) (or .cse5 .cse7 .cse2 .cse8 .cse6))) [2023-12-15 22:58:15,740 INFO L899 garLoopResultBuilder]: For program point L602-1(lines 598 609) no Hoare annotation was computed. [2023-12-15 22:58:15,740 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 474 484) no Hoare annotation was computed. [2023-12-15 22:58:15,740 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 474 484) the Hoare annotation is: true [2023-12-15 22:58:15,742 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 22:58:15,743 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 22:58:15,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:58:15 BoogieIcfgContainer [2023-12-15 22:58:15,754 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 22:58:15,754 INFO L158 Benchmark]: Toolchain (without parser) took 25140.73ms. Allocated memory was 305.1MB in the beginning and 645.9MB in the end (delta: 340.8MB). Free memory was 253.9MB in the beginning and 447.2MB in the end (delta: -193.3MB). Peak memory consumption was 379.8MB. Max. memory is 8.0GB. [2023-12-15 22:58:15,754 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 22:58:15,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.07ms. Allocated memory is still 305.1MB. Free memory was 253.6MB in the beginning and 233.4MB in the end (delta: 20.2MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-12-15 22:58:15,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.34ms. Allocated memory is still 305.1MB. Free memory was 233.4MB in the beginning and 231.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-15 22:58:15,755 INFO L158 Benchmark]: Boogie Preprocessor took 53.07ms. Allocated memory is still 305.1MB. Free memory was 231.0MB in the beginning and 228.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-15 22:58:15,755 INFO L158 Benchmark]: RCFGBuilder took 393.91ms. Allocated memory is still 305.1MB. Free memory was 228.4MB in the beginning and 262.8MB in the end (delta: -34.4MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. [2023-12-15 22:58:15,756 INFO L158 Benchmark]: TraceAbstraction took 24306.51ms. Allocated memory was 305.1MB in the beginning and 645.9MB in the end (delta: 340.8MB). Free memory was 262.3MB in the beginning and 447.2MB in the end (delta: -184.9MB). Peak memory consumption was 386.6MB. Max. memory is 8.0GB. [2023-12-15 22:58:15,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 349.07ms. Allocated memory is still 305.1MB. Free memory was 253.6MB in the beginning and 233.4MB in the end (delta: 20.2MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.34ms. Allocated memory is still 305.1MB. Free memory was 233.4MB in the beginning and 231.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.07ms. Allocated memory is still 305.1MB. Free memory was 231.0MB in the beginning and 228.4MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 393.91ms. Allocated memory is still 305.1MB. Free memory was 228.4MB in the beginning and 262.8MB in the end (delta: -34.4MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. * TraceAbstraction took 24306.51ms. Allocated memory was 305.1MB in the beginning and 645.9MB in the end (delta: 340.8MB). Free memory was 262.3MB in the beginning and 447.2MB in the end (delta: -184.9MB). Peak memory consumption was 386.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49] - GenericResultAtLocation [Line: 101]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [101] - GenericResultAtLocation [Line: 139]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [139] - GenericResultAtLocation [Line: 148]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [148] - GenericResultAtLocation [Line: 220]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [220] - GenericResultAtLocation [Line: 318]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [318] - GenericResultAtLocation [Line: 583]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [583] - GenericResultAtLocation [Line: 686]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [686] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 144]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.3s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6433 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6383 mSDsluCounter, 4868 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3674 mSDsCounter, 3026 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10819 IncrementalHoareTripleChecker+Invalid, 13845 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3026 mSolverCounterUnsat, 1194 mSDtfsCounter, 10819 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2476 GetRequests, 2107 SyntacticMatches, 29 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4457 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1296occurred in iteration=13, InterpolantAutomatonStates: 263, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 552 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 3317 PreInvPairs, 3680 NumberOfFragments, 3389 HoareAnnotationTreeSize, 3317 FormulaSimplifications, 43701 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 31 FormulaSimplificationsInter, 58703 FormulaSimplificationTreeSizeReductionInter, 7.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2155 NumberOfCodeBlocks, 2155 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3020 ConstructedInterpolants, 0 QuantifiedInterpolants, 6737 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2859 ConjunctsInSsa, 78 ConjunctsInUnsatCore, 24 InterpolantComputations, 9 PerfectInterpolantSequences, 2594/3124 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: 474]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((((((((((((1 <= pumpRunning) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (1 <= methaneLevelCritical)) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) || (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 == systemActive))) || (((((pumpRunning == 0) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS))) || ((((((1 <= pumpRunning) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS))) || (((((pumpRunning == 0) && (methaneLevelCritical == 0)) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0))) - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-15 22:58:15,770 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...