/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 17:41:19,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 17:41:19,373 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 17:41:19,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 17:41:19,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 17:41:19,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 17:41:19,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 17:41:19,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 17:41:19,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 17:41:19,397 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 17:41:19,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 17:41:19,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 17:41:19,398 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 17:41:19,398 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 17:41:19,398 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 17:41:19,399 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 17:41:19,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 17:41:19,399 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 17:41:19,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 17:41:19,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 17:41:19,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 17:41:19,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 17:41:19,401 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 17:41:19,401 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 17:41:19,401 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 17:41:19,401 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 17:41:19,401 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 17:41:19,402 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 17:41:19,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 17:41:19,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 17:41:19,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 17:41:19,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 17:41:19,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 17:41:19,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 17:41:19,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:41:19,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 17:41:19,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 17:41:19,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 17:41:19,404 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 17:41:19,405 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 17:41:19,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 17:41:19,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 17:41:19,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 17:41:19,406 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 17:41:19,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 17:41:19,406 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 17:41:19,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 17:41:19,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 17:41:19,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 17:41:19,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 17:41:19,562 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 17:41:19,563 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 17:41:19,564 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2023-12-16 17:41:20,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 17:41:20,808 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 17:41:20,808 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product15.cil.c [2023-12-16 17:41:20,817 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089b08152/981c384c382d445194adc92726bfe2e6/FLAG26f818281 [2023-12-16 17:41:21,162 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/089b08152/981c384c382d445194adc92726bfe2e6 [2023-12-16 17:41:21,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 17:41:21,166 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 17:41:21,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 17:41:21,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 17:41:21,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 17:41:21,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d6e1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21, skipping insertion in model container [2023-12-16 17:41:21,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,246 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:41:21,489 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_spec4_product15.cil.c[2141,2154] [2023-12-16 17:41:21,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:41:21,663 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-16 17:41:21,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 17:41:21,687 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_spec4_product15.cil.c[2141,2154] [2023-12-16 17:41:21,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:41:21,729 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 17:41:21,736 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-12-16 17:41:21,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2023-12-16 17:41:21,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] [2023-12-16 17:41:21,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] [2023-12-16 17:41:21,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] [2023-12-16 17:41:21,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] [2023-12-16 17:41:21,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] [2023-12-16 17:41:21,737 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] [2023-12-16 17:41:21,740 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_spec4_product15.cil.c[2141,2154] [2023-12-16 17:41:21,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 17:41:21,788 INFO L206 MainTranslator]: Completed translation [2023-12-16 17:41:21,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21 WrapperNode [2023-12-16 17:41:21,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 17:41:21,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 17:41:21,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 17:41:21,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 17:41:21,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,819 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 154 [2023-12-16 17:41:21,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 17:41:21,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 17:41:21,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 17:41:21,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 17:41:21,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,840 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]. [2023-12-16 17:41:21,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 17:41:21,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 17:41:21,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 17:41:21,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 17:41:21,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (1/1) ... [2023-12-16 17:41:21,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 17:41:21,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 17:41:21,908 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) [2023-12-16 17:41:21,915 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 [2023-12-16 17:41:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 17:41:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-16 17:41:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-16 17:41:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-16 17:41:21,943 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-16 17:41:21,943 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-16 17:41:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-16 17:41:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 17:41:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:41:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-12-16 17:41:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-12-16 17:41:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-12-16 17:41:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-12-16 17:41:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-12-16 17:41:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-16 17:41:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-16 17:41:21,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 17:41:21,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 17:41:21,994 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 17:41:21,995 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 17:41:22,212 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 17:41:22,279 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 17:41:22,279 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-16 17:41:22,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:41:22 BoogieIcfgContainer [2023-12-16 17:41:22,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 17:41:22,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 17:41:22,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 17:41:22,283 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 17:41:22,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:41:21" (1/3) ... [2023-12-16 17:41:22,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3853d085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:41:22, skipping insertion in model container [2023-12-16 17:41:22,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:41:21" (2/3) ... [2023-12-16 17:41:22,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3853d085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:41:22, skipping insertion in model container [2023-12-16 17:41:22,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:41:22" (3/3) ... [2023-12-16 17:41:22,285 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2023-12-16 17:41:22,295 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 17:41:22,295 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 17:41:22,328 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 17:41:22,332 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;@5c5944d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 17:41:22,333 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 17:41:22,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 40 states have (on average 1.55) internal successors, (62), 47 states have internal predecessors, (62), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-16 17:41:22,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-16 17:41:22,340 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:22,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:22,341 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:22,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:22,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1921843157, now seen corresponding path program 1 times [2023-12-16 17:41:22,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:22,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960775830] [2023-12-16 17:41:22,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:22,354 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:22,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:22,444 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:22,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 17:41:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:22,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 17:41:22,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:22,518 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:22,519 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:22,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [960775830] [2023-12-16 17:41:22,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [960775830] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:22,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:22,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:41:22,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442141027] [2023-12-16 17:41:22,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:22,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 17:41:22,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:22,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 17:41:22,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:41:22,560 INFO L87 Difference]: Start difference. First operand has 60 states, 40 states have (on average 1.55) internal successors, (62), 47 states have internal predecessors, (62), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:22,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:22,604 INFO L93 Difference]: Finished difference Result 118 states and 169 transitions. [2023-12-16 17:41:22,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 17:41:22,621 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-12-16 17:41:22,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:22,626 INFO L225 Difference]: With dead ends: 118 [2023-12-16 17:41:22,627 INFO L226 Difference]: Without dead ends: 55 [2023-12-16 17:41:22,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 17:41:22,632 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:22,633 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:22,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-12-16 17:41:22,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-12-16 17:41:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 43 states have internal predecessors, (52), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-16 17:41:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 73 transitions. [2023-12-16 17:41:22,660 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 73 transitions. Word has length 12 [2023-12-16 17:41:22,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:22,660 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 73 transitions. [2023-12-16 17:41:22,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2023-12-16 17:41:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-16 17:41:22,661 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:22,661 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:22,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 17:41:22,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:22,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:22,865 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:22,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1197528906, now seen corresponding path program 1 times [2023-12-16 17:41:22,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:22,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [488853078] [2023-12-16 17:41:22,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:22,866 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:22,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:22,867 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:22,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-16 17:41:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:22,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:41:22,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:22,939 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:22,939 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:22,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [488853078] [2023-12-16 17:41:22,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [488853078] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:22,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:22,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:41:22,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042721904] [2023-12-16 17:41:22,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:22,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:41:22,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:22,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:41:22,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:22,946 INFO L87 Difference]: Start difference. First operand 55 states and 73 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:22,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:22,976 INFO L93 Difference]: Finished difference Result 80 states and 104 transitions. [2023-12-16 17:41:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:41:22,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-12-16 17:41:22,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:22,977 INFO L225 Difference]: With dead ends: 80 [2023-12-16 17:41:22,977 INFO L226 Difference]: Without dead ends: 47 [2023-12-16 17:41:22,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:22,978 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 14 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:22,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 89 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:22,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-12-16 17:41:22,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-12-16 17:41:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.4375) internal successors, (46), 38 states have internal predecessors, (46), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-16 17:41:22,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2023-12-16 17:41:22,985 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 13 [2023-12-16 17:41:22,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:22,985 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2023-12-16 17:41:22,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:22,985 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2023-12-16 17:41:22,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-16 17:41:22,986 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:22,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:22,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:23,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:23,187 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:23,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:23,188 INFO L85 PathProgramCache]: Analyzing trace with hash 927059462, now seen corresponding path program 1 times [2023-12-16 17:41:23,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:23,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [81872466] [2023-12-16 17:41:23,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:23,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:23,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:23,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:23,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 17:41:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:23,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 17:41:23,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:23,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:23,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:23,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [81872466] [2023-12-16 17:41:23,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [81872466] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:23,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:23,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 17:41:23,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866357690] [2023-12-16 17:41:23,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:23,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:41:23,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:23,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:41:23,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:23,286 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:23,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:23,332 INFO L93 Difference]: Finished difference Result 137 states and 183 transitions. [2023-12-16 17:41:23,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:41:23,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-12-16 17:41:23,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:23,335 INFO L225 Difference]: With dead ends: 137 [2023-12-16 17:41:23,336 INFO L226 Difference]: Without dead ends: 92 [2023-12-16 17:41:23,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:23,337 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 49 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:23,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 109 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:23,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-12-16 17:41:23,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2023-12-16 17:41:23,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 60 states have (on average 1.45) internal successors, (87), 71 states have internal predecessors, (87), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-16 17:41:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 119 transitions. [2023-12-16 17:41:23,358 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 119 transitions. Word has length 16 [2023-12-16 17:41:23,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:23,358 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 119 transitions. [2023-12-16 17:41:23,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 119 transitions. [2023-12-16 17:41:23,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-16 17:41:23,359 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:23,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:23,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:23,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:23,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:23,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:23,565 INFO L85 PathProgramCache]: Analyzing trace with hash 13624703, now seen corresponding path program 1 times [2023-12-16 17:41:23,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:23,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319083307] [2023-12-16 17:41:23,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:23,565 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:23,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:23,568 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:23,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 17:41:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:23,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 17:41:23,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:23,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:23,653 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:23,653 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:23,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1319083307] [2023-12-16 17:41:23,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1319083307] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:23,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:23,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:41:23,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585953811] [2023-12-16 17:41:23,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:23,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 17:41:23,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:23,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 17:41:23,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 17:41:23,654 INFO L87 Difference]: Start difference. First operand 89 states and 119 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:23,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:23,733 INFO L93 Difference]: Finished difference Result 253 states and 350 transitions. [2023-12-16 17:41:23,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 17:41:23,733 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-12-16 17:41:23,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:23,739 INFO L225 Difference]: With dead ends: 253 [2023-12-16 17:41:23,740 INFO L226 Difference]: Without dead ends: 166 [2023-12-16 17:41:23,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 17:41:23,744 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 37 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:23,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 149 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:23,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-12-16 17:41:23,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2023-12-16 17:41:23,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 111 states have (on average 1.4144144144144144) internal successors, (157), 130 states have internal predecessors, (157), 32 states have call successors, (32), 24 states have call predecessors, (32), 22 states have return successors, (34), 20 states have call predecessors, (34), 32 states have call successors, (34) [2023-12-16 17:41:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 223 transitions. [2023-12-16 17:41:23,762 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 223 transitions. Word has length 19 [2023-12-16 17:41:23,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:23,762 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 223 transitions. [2023-12-16 17:41:23,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 223 transitions. [2023-12-16 17:41:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-16 17:41:23,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:23,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:23,766 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:23,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:23,966 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:23,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:23,966 INFO L85 PathProgramCache]: Analyzing trace with hash 775379492, now seen corresponding path program 1 times [2023-12-16 17:41:23,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:23,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056304542] [2023-12-16 17:41:23,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:23,967 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:23,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:23,968 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:23,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-16 17:41:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:23,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 17:41:24,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:24,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:24,012 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:24,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:24,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056304542] [2023-12-16 17:41:24,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056304542] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:24,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:24,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 17:41:24,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993855185] [2023-12-16 17:41:24,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:24,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 17:41:24,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:24,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 17:41:24,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:24,014 INFO L87 Difference]: Start difference. First operand 166 states and 223 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:24,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:24,038 INFO L93 Difference]: Finished difference Result 284 states and 388 transitions. [2023-12-16 17:41:24,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 17:41:24,039 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2023-12-16 17:41:24,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:24,040 INFO L225 Difference]: With dead ends: 284 [2023-12-16 17:41:24,040 INFO L226 Difference]: Without dead ends: 120 [2023-12-16 17:41:24,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 17:41:24,041 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 39 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:24,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 33 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 17:41:24,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-12-16 17:41:24,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2023-12-16 17:41:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 87 states have (on average 1.3218390804597702) internal successors, (115), 94 states have internal predecessors, (115), 16 states have call successors, (16), 16 states have call predecessors, (16), 14 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-16 17:41:24,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 147 transitions. [2023-12-16 17:41:24,053 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 147 transitions. Word has length 21 [2023-12-16 17:41:24,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:24,053 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 147 transitions. [2023-12-16 17:41:24,053 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 17:41:24,053 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 147 transitions. [2023-12-16 17:41:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-16 17:41:24,054 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 17:41:24,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 17:41:24,063 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-12-16 17:41:24,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:24,265 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 17:41:24,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 17:41:24,266 INFO L85 PathProgramCache]: Analyzing trace with hash -73797895, now seen corresponding path program 1 times [2023-12-16 17:41:24,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 17:41:24,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720131959] [2023-12-16 17:41:24,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 17:41:24,266 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:24,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 17:41:24,267 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 17:41:24,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-16 17:41:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 17:41:24,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 17:41:24,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 17:41:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 17:41:24,369 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 17:41:24,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 17:41:24,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720131959] [2023-12-16 17:41:24,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720131959] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 17:41:24,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 17:41:24,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 17:41:24,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818826237] [2023-12-16 17:41:24,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 17:41:24,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 17:41:24,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 17:41:24,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 17:41:24,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-16 17:41:24,371 INFO L87 Difference]: Start difference. First operand 118 states and 147 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:41:24,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 17:41:24,504 INFO L93 Difference]: Finished difference Result 180 states and 226 transitions. [2023-12-16 17:41:24,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 17:41:24,504 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-12-16 17:41:24,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 17:41:24,505 INFO L225 Difference]: With dead ends: 180 [2023-12-16 17:41:24,505 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 17:41:24,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-12-16 17:41:24,506 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 75 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 17:41:24,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 187 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 17:41:24,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 17:41:24,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 17:41:24,507 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) [2023-12-16 17:41:24,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 17:41:24,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-12-16 17:41:24,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 17:41:24,507 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 17:41:24,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-16 17:41:24,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 17:41:24,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 17:41:24,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 17:41:24,512 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-16 17:41:24,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 17:41:24,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 17:41:25,091 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 262 269) no Hoare annotation was computed. [2023-12-16 17:41:25,092 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 262 269) the Hoare annotation is: true [2023-12-16 17:41:25,092 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 735 746) the Hoare annotation is: true [2023-12-16 17:41:25,092 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 735 746) no Hoare annotation was computed. [2023-12-16 17:41:25,092 INFO L899 garLoopResultBuilder]: For program point L739-1(lines 735 746) no Hoare annotation was computed. [2023-12-16 17:41:25,092 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 790 819) no Hoare annotation was computed. [2023-12-16 17:41:25,092 INFO L902 garLoopResultBuilder]: At program point L800-2(lines 800 814) the Hoare annotation is: true [2023-12-16 17:41:25,092 INFO L902 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: true [2023-12-16 17:41:25,092 INFO L899 garLoopResultBuilder]: For program point L796-1(line 796) no Hoare annotation was computed. [2023-12-16 17:41:25,092 INFO L899 garLoopResultBuilder]: For program point L815(lines 790 819) no Hoare annotation was computed. [2023-12-16 17:41:25,092 INFO L899 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed. [2023-12-16 17:41:25,093 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 790 819) the Hoare annotation is: true [2023-12-16 17:41:25,093 INFO L899 garLoopResultBuilder]: For program point L804(lines 804 808) no Hoare annotation was computed. [2023-12-16 17:41:25,093 INFO L902 garLoopResultBuilder]: At program point L804-1(lines 804 808) the Hoare annotation is: true [2023-12-16 17:41:25,093 INFO L899 garLoopResultBuilder]: For program point L184-1(lines 183 202) no Hoare annotation was computed. [2023-12-16 17:41:25,093 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0))) [2023-12-16 17:41:25,093 INFO L895 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0))) [2023-12-16 17:41:25,093 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0))) [2023-12-16 17:41:25,094 INFO L899 garLoopResultBuilder]: For program point L218-1(line 218) no Hoare annotation was computed. [2023-12-16 17:41:25,094 INFO L895 garLoopResultBuilder]: At program point L231(line 231) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (and (= ~waterLevel~0 (_ bv2 32)) .cse1)) (or (and (= ~waterLevel~0 (_ bv1 32)) .cse1) .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))))) [2023-12-16 17:41:25,094 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 212 236) no Hoare annotation was computed. [2023-12-16 17:41:25,094 INFO L899 garLoopResultBuilder]: For program point L715(lines 715 719) no Hoare annotation was computed. [2023-12-16 17:41:25,094 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 180 203) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (not (= |old(~pumpRunning~0)| (_ bv0 32))))) (and (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) .cse0 (and (= ~waterLevel~0 (_ bv2 32)) .cse1)) (or (and (= ~waterLevel~0 (_ bv1 32)) .cse1) .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|))))) [2023-12-16 17:41:25,094 INFO L899 garLoopResultBuilder]: For program point L715-2(lines 711 722) no Hoare annotation was computed. [2023-12-16 17:41:25,094 INFO L899 garLoopResultBuilder]: For program point L897(lines 897 903) no Hoare annotation was computed. [2023-12-16 17:41:25,094 INFO L899 garLoopResultBuilder]: For program point L191-1(lines 191 197) no Hoare annotation was computed. [2023-12-16 17:41:25,094 INFO L899 garLoopResultBuilder]: For program point L893(lines 893 906) no Hoare annotation was computed. [2023-12-16 17:41:25,094 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 228) no Hoare annotation was computed. [2023-12-16 17:41:25,095 INFO L899 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2023-12-16 17:41:25,095 INFO L899 garLoopResultBuilder]: For program point L893-1(lines 885 909) no Hoare annotation was computed. [2023-12-16 17:41:25,095 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 233) no Hoare annotation was computed. [2023-12-16 17:41:25,095 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 180 203) no Hoare annotation was computed. [2023-12-16 17:41:25,095 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2023-12-16 17:41:25,095 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 128) no Hoare annotation was computed. [2023-12-16 17:41:25,095 INFO L899 garLoopResultBuilder]: For program point L122-1(lines 122 128) no Hoare annotation was computed. [2023-12-16 17:41:25,095 INFO L895 garLoopResultBuilder]: At program point L160(lines 111 161) the Hoare annotation is: false [2023-12-16 17:41:25,095 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 154) no Hoare annotation was computed. [2023-12-16 17:41:25,095 INFO L895 garLoopResultBuilder]: At program point L148-2(lines 142 155) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse0 .cse1))) [2023-12-16 17:41:25,096 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 336) no Hoare annotation was computed. [2023-12-16 17:41:25,096 INFO L899 garLoopResultBuilder]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2023-12-16 17:41:25,096 INFO L899 garLoopResultBuilder]: For program point L871(lines 871 878) no Hoare annotation was computed. [2023-12-16 17:41:25,096 INFO L899 garLoopResultBuilder]: For program point L871-2(lines 871 878) no Hoare annotation was computed. [2023-12-16 17:41:25,096 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 138) no Hoare annotation was computed. [2023-12-16 17:41:25,096 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 132 138) no Hoare annotation was computed. [2023-12-16 17:41:25,096 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 17:41:25,096 INFO L895 garLoopResultBuilder]: At program point L157(lines 112 159) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse0 .cse1))) [2023-12-16 17:41:25,096 INFO L895 garLoopResultBuilder]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse0 .cse1))) [2023-12-16 17:41:25,096 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 17:41:25,097 INFO L899 garLoopResultBuilder]: For program point L113(lines 112 159) no Hoare annotation was computed. [2023-12-16 17:41:25,097 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 155) no Hoare annotation was computed. [2023-12-16 17:41:25,097 INFO L895 garLoopResultBuilder]: At program point L332(line 332) the Hoare annotation is: false [2023-12-16 17:41:25,097 INFO L895 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32))) (.cse1 (= (_ bv0 32) ~pumpRunning~0))) (or (and (= ~waterLevel~0 (_ bv2 32)) .cse0 .cse1) (and (= ~waterLevel~0 (_ bv1 32)) .cse0 .cse1))) [2023-12-16 17:41:25,097 INFO L899 garLoopResultBuilder]: For program point L163(lines 102 167) no Hoare annotation was computed. [2023-12-16 17:41:25,097 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 723 734) no Hoare annotation was computed. [2023-12-16 17:41:25,097 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 723 734) the Hoare annotation is: (let ((.cse0 (not (= (_ bv0 32) ~pumpRunning~0)))) (and (or .cse0 (not (= (_ bv1 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv1 32))) (or (not (= (_ bv2 32) |old(~waterLevel~0)|)) (= ~waterLevel~0 (_ bv2 32)) .cse0))) [2023-12-16 17:41:25,097 INFO L899 garLoopResultBuilder]: For program point L727-1(lines 723 734) no Hoare annotation was computed. [2023-12-16 17:41:25,097 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 210) no Hoare annotation was computed. [2023-12-16 17:41:25,098 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 204 210) the Hoare annotation is: true [2023-12-16 17:41:25,098 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 270 280) no Hoare annotation was computed. [2023-12-16 17:41:25,098 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 270 280) the Hoare annotation is: true [2023-12-16 17:41:25,100 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-12-16 17:41:25,101 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 17:41:25,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:41:25 BoogieIcfgContainer [2023-12-16 17:41:25,108 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 17:41:25,109 INFO L158 Benchmark]: Toolchain (without parser) took 3942.84ms. Allocated memory was 194.0MB in the beginning and 265.3MB in the end (delta: 71.3MB). Free memory was 156.9MB in the beginning and 219.9MB in the end (delta: -63.0MB). Peak memory consumption was 101.1MB. Max. memory is 8.0GB. [2023-12-16 17:41:25,109 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 194.0MB. Free memory is still 152.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 17:41:25,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.28ms. Allocated memory is still 194.0MB. Free memory was 156.5MB in the beginning and 131.6MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-16 17:41:25,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.94ms. Allocated memory is still 194.0MB. Free memory was 131.6MB in the beginning and 129.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:41:25,110 INFO L158 Benchmark]: Boogie Preprocessor took 49.44ms. Allocated memory is still 194.0MB. Free memory was 129.6MB in the beginning and 127.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 17:41:25,110 INFO L158 Benchmark]: RCFGBuilder took 409.66ms. Allocated memory is still 194.0MB. Free memory was 127.1MB in the beginning and 100.3MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-16 17:41:25,110 INFO L158 Benchmark]: TraceAbstraction took 2827.31ms. Allocated memory was 194.0MB in the beginning and 265.3MB in the end (delta: 71.3MB). Free memory was 99.7MB in the beginning and 219.9MB in the end (delta: -120.3MB). Peak memory consumption was 44.5MB. Max. memory is 8.0GB. [2023-12-16 17:41:25,111 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 194.0MB. Free memory is still 152.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 616.28ms. Allocated memory is still 194.0MB. Free memory was 156.5MB in the beginning and 131.6MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.94ms. Allocated memory is still 194.0MB. Free memory was 131.6MB in the beginning and 129.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.44ms. Allocated memory is still 194.0MB. Free memory was 129.6MB in the beginning and 127.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 409.66ms. Allocated memory is still 194.0MB. Free memory was 127.1MB in the beginning and 100.3MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 2827.31ms. Allocated memory was 194.0MB in the beginning and 265.3MB in the end (delta: 71.3MB). Free memory was 99.7MB in the beginning and 219.9MB in the end (delta: -120.3MB). Peak memory consumption was 44.5MB. 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] - GenericResultAtLocation [Line: 341]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] - GenericResultAtLocation [Line: 707]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] - GenericResultAtLocation [Line: 884]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] * 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: 92]: 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 8 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 220 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 214 mSDsluCounter, 634 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 237 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 306 mSDtfsCounter, 237 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred in iteration=4, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 182 PreInvPairs, 202 NumberOfFragments, 242 HoareAnnotationTreeSize, 182 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FormulaSimplificationsInter, 520 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 7 NumberOfNonLiveVariables, 428 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((((waterLevel == 2) && (splverifierCounter == 0)) && (0 == pumpRunning)) || (((waterLevel == 1) && (splverifierCounter == 0)) && (0 == pumpRunning))) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-12-16 17:41:25,124 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...