/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_spec5_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-25 06:04:03,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-25 06:04:03,570 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-25 06:04:03,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-25 06:04:03,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-25 06:04:03,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-25 06:04:03,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-25 06:04:03,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-25 06:04:03,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-25 06:04:03,612 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-25 06:04:03,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-25 06:04:03,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-25 06:04:03,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-25 06:04:03,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-25 06:04:03,614 INFO L153 SettingsManager]: * Use SBE=true [2023-12-25 06:04:03,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-25 06:04:03,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-25 06:04:03,615 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-25 06:04:03,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-25 06:04:03,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-25 06:04:03,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-25 06:04:03,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-25 06:04:03,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-25 06:04:03,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-25 06:04:03,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-25 06:04:03,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-25 06:04:03,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-25 06:04:03,618 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-25 06:04:03,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-25 06:04:03,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-25 06:04:03,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-25 06:04:03,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-25 06:04:03,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-25 06:04:03,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-25 06:04:03,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:04:03,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-25 06:04:03,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-25 06:04:03,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-25 06:04:03,620 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-25 06:04:03,621 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-25 06:04:03,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-25 06:04:03,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-25 06:04:03,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-25 06:04:03,621 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-25 06:04:03,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-25 06:04:03,622 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-25 06:04:03,622 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-25 06:04:03,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-25 06:04:03,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-25 06:04:03,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-25 06:04:03,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-25 06:04:03,899 INFO L274 PluginConnector]: CDTParser initialized [2023-12-25 06:04:03,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2023-12-25 06:04:05,168 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-25 06:04:05,416 INFO L384 CDTParser]: Found 1 translation units. [2023-12-25 06:04:05,417 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c [2023-12-25 06:04:05,428 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb52a559b/7d993d0c6ccd4bbbb8ac96a5d87e04b2/FLAG8207c8a7b [2023-12-25 06:04:05,442 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb52a559b/7d993d0c6ccd4bbbb8ac96a5d87e04b2 [2023-12-25 06:04:05,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-25 06:04:05,445 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-25 06:04:05,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-25 06:04:05,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-25 06:04:05,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-25 06:04:05,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:05,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d7702b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05, skipping insertion in model container [2023-12-25 06:04:05,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:05,504 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:04:05,618 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c[1605,1618] [2023-12-25 06:04:05,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:05,747 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-25 06:04:05,758 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-25 06:04:05,763 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c[1605,1618] [2023-12-25 06:04:05,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:05,842 INFO L202 MainTranslator]: Completed pre-run [2023-12-25 06:04:05,851 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-12-25 06:04:05,852 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2023-12-25 06:04:05,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [424] [2023-12-25 06:04:05,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2023-12-25 06:04:05,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [565] [2023-12-25 06:04:05,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [699] [2023-12-25 06:04:05,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [766] [2023-12-25 06:04:05,853 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [816] [2023-12-25 06:04:05,860 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product03.cil.c[1605,1618] [2023-12-25 06:04:05,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-25 06:04:05,915 INFO L206 MainTranslator]: Completed translation [2023-12-25 06:04:05,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05 WrapperNode [2023-12-25 06:04:05,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-25 06:04:05,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-25 06:04:05,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-25 06:04:05,917 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-25 06:04:05,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:05,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:05,973 INFO L138 Inliner]: procedures = 54, calls = 93, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 137 [2023-12-25 06:04:05,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-25 06:04:05,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-25 06:04:05,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-25 06:04:05,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-25 06:04:05,985 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:05,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:05,989 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:06,002 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]. [2023-12-25 06:04:06,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:06,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:06,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:06,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:06,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:06,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:06,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-25 06:04:06,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-25 06:04:06,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-25 06:04:06,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-25 06:04:06,026 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (1/1) ... [2023-12-25 06:04:06,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-25 06:04:06,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-25 06:04:06,055 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) [2023-12-25 06:04:06,060 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 [2023-12-25 06:04:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-25 06:04:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-12-25 06:04:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-12-25 06:04:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-12-25 06:04:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-12-25 06:04:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-12-25 06:04:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-12-25 06:04:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-25 06:04:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-12-25 06:04:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-12-25 06:04:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-12-25 06:04:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-12-25 06:04:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-25 06:04:06,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-25 06:04:06,161 INFO L241 CfgBuilder]: Building ICFG [2023-12-25 06:04:06,163 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-25 06:04:06,440 INFO L282 CfgBuilder]: Performing block encoding [2023-12-25 06:04:06,526 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-25 06:04:06,526 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-25 06:04:06,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:04:06 BoogieIcfgContainer [2023-12-25 06:04:06,527 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-25 06:04:06,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-25 06:04:06,529 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-25 06:04:06,532 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-25 06:04:06,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:04:05" (1/3) ... [2023-12-25 06:04:06,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6137ff38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:04:06, skipping insertion in model container [2023-12-25 06:04:06,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:04:05" (2/3) ... [2023-12-25 06:04:06,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6137ff38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:04:06, skipping insertion in model container [2023-12-25 06:04:06,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:04:06" (3/3) ... [2023-12-25 06:04:06,535 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2023-12-25 06:04:06,556 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-25 06:04:06,556 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-25 06:04:06,614 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-25 06:04:06,620 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;@388af83c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-25 06:04:06,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-25 06:04:06,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 42 states have internal predecessors, (59), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-25 06:04:06,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-25 06:04:06,642 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:06,643 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:06,644 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:06,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:06,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1912654056, now seen corresponding path program 1 times [2023-12-25 06:04:06,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:06,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365455235] [2023-12-25 06:04:06,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:06,677 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 [2023-12-25 06:04:06,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:06,680 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) [2023-12-25 06:04:06,682 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 [2023-12-25 06:04:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:06,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-25 06:04:06,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:04:06,832 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:06,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:06,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365455235] [2023-12-25 06:04:06,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365455235] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:06,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:06,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:06,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608612543] [2023-12-25 06:04:06,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:06,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-25 06:04:06,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:06,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-25 06:04:06,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:04:06,872 INFO L87 Difference]: Start difference. First operand has 53 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 42 states have internal predecessors, (59), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:06,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:06,934 INFO L93 Difference]: Finished difference Result 104 states and 151 transitions. [2023-12-25 06:04:06,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-25 06:04:06,936 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2023-12-25 06:04:06,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:06,944 INFO L225 Difference]: With dead ends: 104 [2023-12-25 06:04:06,944 INFO L226 Difference]: Without dead ends: 48 [2023-12-25 06:04:06,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-25 06:04:06,955 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:06,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:06,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-12-25 06:04:06,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-12-25 06:04:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 35 states have (on average 1.4) internal successors, (49), 38 states have internal predecessors, (49), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-25 06:04:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 64 transitions. [2023-12-25 06:04:06,993 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 64 transitions. Word has length 22 [2023-12-25 06:04:06,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:06,993 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 64 transitions. [2023-12-25 06:04:06,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2023-12-25 06:04:06,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-25 06:04:06,996 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:06,996 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:07,003 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 (2)] Forceful destruction successful, exit code 0 [2023-12-25 06:04:07,204 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 [2023-12-25 06:04:07,204 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:07,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:07,205 INFO L85 PathProgramCache]: Analyzing trace with hash -277534359, now seen corresponding path program 1 times [2023-12-25 06:04:07,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:07,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487741482] [2023-12-25 06:04:07,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:07,206 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 [2023-12-25 06:04:07,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:07,207 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) [2023-12-25 06:04:07,209 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 [2023-12-25 06:04:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:07,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:07,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:07,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-25 06:04:07,298 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:07,299 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:07,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487741482] [2023-12-25 06:04:07,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487741482] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:07,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:07,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-25 06:04:07,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030520633] [2023-12-25 06:04:07,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:07,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:07,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:07,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:07,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:07,302 INFO L87 Difference]: Start difference. First operand 48 states and 64 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:07,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:07,343 INFO L93 Difference]: Finished difference Result 67 states and 88 transitions. [2023-12-25 06:04:07,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:07,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2023-12-25 06:04:07,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:07,345 INFO L225 Difference]: With dead ends: 67 [2023-12-25 06:04:07,345 INFO L226 Difference]: Without dead ends: 40 [2023-12-25 06:04:07,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:07,346 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 14 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:07,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 71 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:07,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-12-25 06:04:07,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-12-25 06:04:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 33 states have internal predecessors, (43), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-25 06:04:07,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2023-12-25 06:04:07,371 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 23 [2023-12-25 06:04:07,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:07,372 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2023-12-25 06:04:07,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:07,372 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-12-25 06:04:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-25 06:04:07,374 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:07,375 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:07,380 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 [2023-12-25 06:04:07,578 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 [2023-12-25 06:04:07,579 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:07,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:07,579 INFO L85 PathProgramCache]: Analyzing trace with hash 768642376, now seen corresponding path program 1 times [2023-12-25 06:04:07,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:07,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461886346] [2023-12-25 06:04:07,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:07,580 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 [2023-12-25 06:04:07,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:07,582 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) [2023-12-25 06:04:07,583 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 [2023-12-25 06:04:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:07,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-25 06:04:07,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-25 06:04:07,704 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:07,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:07,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461886346] [2023-12-25 06:04:07,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [461886346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:07,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:07,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-25 06:04:07,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480661988] [2023-12-25 06:04:07,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:07,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-25 06:04:07,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:07,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-25 06:04:07,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:07,708 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:04:07,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:07,774 INFO L93 Difference]: Finished difference Result 116 states and 156 transitions. [2023-12-25 06:04:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-25 06:04:07,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2023-12-25 06:04:07,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:07,778 INFO L225 Difference]: With dead ends: 116 [2023-12-25 06:04:07,778 INFO L226 Difference]: Without dead ends: 78 [2023-12-25 06:04:07,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-25 06:04:07,782 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 35 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:07,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 85 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-25 06:04:07,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-12-25 06:04:07,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2023-12-25 06:04:07,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 55 states have (on average 1.4363636363636363) internal successors, (79), 60 states have internal predecessors, (79), 10 states have call successors, (10), 8 states have call predecessors, (10), 8 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-25 06:04:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions. [2023-12-25 06:04:07,798 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 26 [2023-12-25 06:04:07,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:07,798 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 99 transitions. [2023-12-25 06:04:07,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-25 06:04:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2023-12-25 06:04:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-25 06:04:07,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-25 06:04:07,800 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-25 06:04:07,806 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 [2023-12-25 06:04:08,002 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 [2023-12-25 06:04:08,003 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-25 06:04:08,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-25 06:04:08,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1328057884, now seen corresponding path program 1 times [2023-12-25 06:04:08,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-25 06:04:08,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1132637617] [2023-12-25 06:04:08,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-25 06:04:08,005 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 [2023-12-25 06:04:08,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-25 06:04:08,008 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) [2023-12-25 06:04:08,011 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 [2023-12-25 06:04:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-25 06:04:08,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-25 06:04:08,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-25 06:04:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-25 06:04:08,147 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-25 06:04:08,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-25 06:04:08,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1132637617] [2023-12-25 06:04:08,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1132637617] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-25 06:04:08,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-25 06:04:08,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-25 06:04:08,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609565597] [2023-12-25 06:04:08,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-25 06:04:08,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-25 06:04:08,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-25 06:04:08,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-25 06:04:08,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-25 06:04:08,151 INFO L87 Difference]: Start difference. First operand 74 states and 99 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:08,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-25 06:04:08,259 INFO L93 Difference]: Finished difference Result 140 states and 189 transitions. [2023-12-25 06:04:08,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-25 06:04:08,260 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-12-25 06:04:08,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-25 06:04:08,260 INFO L225 Difference]: With dead ends: 140 [2023-12-25 06:04:08,261 INFO L226 Difference]: Without dead ends: 0 [2023-12-25 06:04:08,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-25 06:04:08,264 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 24 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-25 06:04:08,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 113 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-25 06:04:08,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-25 06:04:08,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-25 06:04:08,268 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) [2023-12-25 06:04:08,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-25 06:04:08,268 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-12-25 06:04:08,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-25 06:04:08,269 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-25 06:04:08,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-12-25 06:04:08,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-25 06:04:08,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-25 06:04:08,273 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-25 06:04:08,279 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 [2023-12-25 06:04:08,476 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 [2023-12-25 06:04:08,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-25 06:04:08,575 INFO L899 garLoopResultBuilder]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2023-12-25 06:04:08,575 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 843 854) the Hoare annotation is: true [2023-12-25 06:04:08,576 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2023-12-25 06:04:08,576 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 809) no Hoare annotation was computed. [2023-12-25 06:04:08,576 INFO L899 garLoopResultBuilder]: For program point L795(lines 795 812) no Hoare annotation was computed. [2023-12-25 06:04:08,576 INFO L899 garLoopResultBuilder]: For program point L795-1(lines 787 815) no Hoare annotation was computed. [2023-12-25 06:04:08,576 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2023-12-25 06:04:08,576 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 581 603) no Hoare annotation was computed. [2023-12-25 06:04:08,576 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 806) no Hoare annotation was computed. [2023-12-25 06:04:08,576 INFO L902 garLoopResultBuilder]: At program point L797(line 797) the Hoare annotation is: true [2023-12-25 06:04:08,577 INFO L899 garLoopResultBuilder]: For program point L797-1(line 797) no Hoare annotation was computed. [2023-12-25 06:04:08,577 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-12-25 06:04:08,577 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 578 604) the Hoare annotation is: true [2023-12-25 06:04:08,577 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 827) no Hoare annotation was computed. [2023-12-25 06:04:08,577 INFO L899 garLoopResultBuilder]: For program point L823-2(lines 819 830) no Hoare annotation was computed. [2023-12-25 06:04:08,577 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 592 598) no Hoare annotation was computed. [2023-12-25 06:04:08,577 INFO L902 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2023-12-25 06:04:08,577 INFO L899 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2023-12-25 06:04:08,577 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 578 604) no Hoare annotation was computed. [2023-12-25 06:04:08,577 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-12-25 06:04:08,578 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2023-12-25 06:04:08,578 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2023-12-25 06:04:08,578 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2023-12-25 06:04:08,578 INFO L902 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2023-12-25 06:04:08,578 INFO L902 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2023-12-25 06:04:08,578 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2023-12-25 06:04:08,578 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2023-12-25 06:04:08,578 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 427 456) the Hoare annotation is: true [2023-12-25 06:04:08,578 INFO L899 garLoopResultBuilder]: For program point L452(lines 427 456) no Hoare annotation was computed. [2023-12-25 06:04:08,578 INFO L895 garLoopResultBuilder]: At program point L758(lines 709 759) the Hoare annotation is: false [2023-12-25 06:04:08,578 INFO L899 garLoopResultBuilder]: For program point L688(lines 688 694) no Hoare annotation was computed. [2023-12-25 06:04:08,579 INFO L899 garLoopResultBuilder]: For program point L688-2(lines 688 694) no Hoare annotation was computed. [2023-12-25 06:04:08,579 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2023-12-25 06:04:08,579 INFO L895 garLoopResultBuilder]: At program point L746-2(lines 740 753) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:04:08,579 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2023-12-25 06:04:08,579 INFO L899 garLoopResultBuilder]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2023-12-25 06:04:08,579 INFO L895 garLoopResultBuilder]: At program point L755(lines 710 757) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:04:08,579 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:04:08,579 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-25 06:04:08,579 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-25 06:04:08,579 INFO L899 garLoopResultBuilder]: For program point L711(lines 710 757) no Hoare annotation was computed. [2023-12-25 06:04:08,580 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 524) no Hoare annotation was computed. [2023-12-25 06:04:08,580 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 753) no Hoare annotation was computed. [2023-12-25 06:04:08,580 INFO L899 garLoopResultBuilder]: For program point L517-2(lines 517 524) no Hoare annotation was computed. [2023-12-25 06:04:08,580 INFO L895 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (and (= |ULTIMATE.start_test_~splverifierCounter~0#1| (_ bv0 32)) (= (_ bv0 32) ~pumpRunning~0)) [2023-12-25 06:04:08,580 INFO L899 garLoopResultBuilder]: For program point L761(lines 700 765) no Hoare annotation was computed. [2023-12-25 06:04:08,580 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 726) no Hoare annotation was computed. [2023-12-25 06:04:08,580 INFO L899 garLoopResultBuilder]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2023-12-25 06:04:08,580 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2023-12-25 06:04:08,580 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 831 842) the Hoare annotation is: true [2023-12-25 06:04:08,580 INFO L899 garLoopResultBuilder]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2023-12-25 06:04:08,580 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 639 647) no Hoare annotation was computed. [2023-12-25 06:04:08,581 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 639 647) the Hoare annotation is: true [2023-12-25 06:04:08,582 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-25 06:04:08,584 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-25 06:04:08,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:04:08 BoogieIcfgContainer [2023-12-25 06:04:08,593 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-25 06:04:08,594 INFO L158 Benchmark]: Toolchain (without parser) took 3148.60ms. Allocated memory was 212.9MB in the beginning and 380.6MB in the end (delta: 167.8MB). Free memory was 162.7MB in the beginning and 254.2MB in the end (delta: -91.6MB). Peak memory consumption was 77.2MB. Max. memory is 8.0GB. [2023-12-25 06:04:08,594 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 212.9MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-25 06:04:08,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.22ms. Allocated memory is still 212.9MB. Free memory was 162.5MB in the beginning and 137.5MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-12-25 06:04:08,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.57ms. Allocated memory is still 212.9MB. Free memory was 137.3MB in the beginning and 135.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:04:08,595 INFO L158 Benchmark]: Boogie Preprocessor took 49.78ms. Allocated memory is still 212.9MB. Free memory was 135.4MB in the beginning and 133.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-25 06:04:08,595 INFO L158 Benchmark]: RCFGBuilder took 501.93ms. Allocated memory was 212.9MB in the beginning and 380.6MB in the end (delta: 167.8MB). Free memory was 133.1MB in the beginning and 336.6MB in the end (delta: -203.4MB). Peak memory consumption was 23.7MB. Max. memory is 8.0GB. [2023-12-25 06:04:08,595 INFO L158 Benchmark]: TraceAbstraction took 2064.14ms. Allocated memory is still 380.6MB. Free memory was 336.0MB in the beginning and 254.2MB in the end (delta: 81.8MB). Peak memory consumption was 81.8MB. Max. memory is 8.0GB. [2023-12-25 06:04:08,597 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 212.9MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 469.22ms. Allocated memory is still 212.9MB. Free memory was 162.5MB in the beginning and 137.5MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.57ms. Allocated memory is still 212.9MB. Free memory was 137.3MB in the beginning and 135.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.78ms. Allocated memory is still 212.9MB. Free memory was 135.4MB in the beginning and 133.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 501.93ms. Allocated memory was 212.9MB in the beginning and 380.6MB in the end (delta: 167.8MB). Free memory was 133.1MB in the beginning and 336.6MB in the end (delta: -203.4MB). Peak memory consumption was 23.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2064.14ms. Allocated memory is still 380.6MB. Free memory was 336.0MB in the beginning and 254.2MB in the end (delta: 81.8MB). Peak memory consumption was 81.8MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [424] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [565] - GenericResultAtLocation [Line: 699]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [699] - GenericResultAtLocation [Line: 766]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [766] - GenericResultAtLocation [Line: 816]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [816] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 326 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 174 mSDtfsCounter, 111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 69 PreInvPairs, 79 NumberOfFragments, 39 HoareAnnotationTreeSize, 69 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FormulaSimplificationsInter, 134 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 179 SizeOfPredicates, 2 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((splverifierCounter == 0) && (0 == pumpRunning)) - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-25 06:04:08,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...