/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/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-12.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:11:28,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:11:28,431 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 11:11:28,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:11:28,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:11:28,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:11:28,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:11:28,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:11:28,454 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:11:28,454 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:11:28,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:11:28,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:11:28,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:11:28,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:11:28,455 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:11:28,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:11:28,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:11:28,461 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:11:28,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:11:28,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:11:28,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:11:28,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:11:28,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:11:28,464 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:11:28,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:11:28,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:11:28,464 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:11:28,464 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:11:28,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:11:28,465 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:11:28,465 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:11:28,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:11:28,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:11:28,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:11:28,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:11:28,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:11:28,466 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:11:28,466 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:11:28,467 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:11:28,467 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:11:28,467 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:11:28,467 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:11:28,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:11:28,467 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:11:28,468 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:11:28,468 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:11:28,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:11:28,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:11:28,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:11:28,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:11:28,680 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:11:28,680 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:11:28,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-12.i [2023-12-16 11:11:29,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:11:29,800 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:11:29,801 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-12.i [2023-12-16 11:11:29,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183c83b08/ce590b229f1b42eb92e056c2c456b884/FLAG952d3e678 [2023-12-16 11:11:29,819 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183c83b08/ce590b229f1b42eb92e056c2c456b884 [2023-12-16 11:11:29,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:11:29,822 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:11:29,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:11:29,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:11:29,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:11:29,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:11:29" (1/1) ... [2023-12-16 11:11:29,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f6ded21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:29, skipping insertion in model container [2023-12-16 11:11:29,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:11:29" (1/1) ... [2023-12-16 11:11:29,869 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:11:29,971 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-12.i[915,928] [2023-12-16 11:11:30,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:11:30,024 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:11:30,032 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-12.i[915,928] [2023-12-16 11:11:30,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:11:30,071 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:11:30,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30 WrapperNode [2023-12-16 11:11:30,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:11:30,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:11:30,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:11:30,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:11:30,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,108 INFO L138 Inliner]: procedures = 27, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 226 [2023-12-16 11:11:30,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:11:30,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:11:30,108 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:11:30,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:11:30,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,124 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,134 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 11:11:30,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,142 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:11:30,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:11:30,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:11:30,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:11:30,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (1/1) ... [2023-12-16 11:11:30,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:11:30,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:11:30,181 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 11:11:30,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:11:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:11:30,208 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:11:30,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:11:30,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:11:30,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:11:30,187 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 11:11:30,303 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:11:30,304 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:11:36,537 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:11:36,571 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:11:36,571 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:11:36,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:11:36 BoogieIcfgContainer [2023-12-16 11:11:36,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:11:36,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:11:36,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:11:36,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:11:36,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:11:29" (1/3) ... [2023-12-16 11:11:36,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6efa7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:11:36, skipping insertion in model container [2023-12-16 11:11:36,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:11:30" (2/3) ... [2023-12-16 11:11:36,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c6efa7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:11:36, skipping insertion in model container [2023-12-16 11:11:36,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:11:36" (3/3) ... [2023-12-16 11:11:36,577 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-12.i [2023-12-16 11:11:36,608 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:11:36,608 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:11:36,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:11:36,652 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;@7f0e0c08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:11:36,652 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:11:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 53 states have internal predecessors, (72), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2023-12-16 11:11:36,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-12-16 11:11:36,676 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:11:36,677 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:11:36,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:11:36,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:11:36,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1138296653, now seen corresponding path program 1 times [2023-12-16 11:11:36,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:11:36,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642617972] [2023-12-16 11:11:36,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:11:36,702 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 11:11:36,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:11:36,706 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 11:11:36,715 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 11:11:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:11:37,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:11:37,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:11:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 1356 proven. 0 refuted. 0 times theorem prover too weak. 1924 trivial. 0 not checked. [2023-12-16 11:11:37,277 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:11:37,278 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:11:37,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642617972] [2023-12-16 11:11:37,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642617972] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:11:37,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:11:37,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:11:37,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797539892] [2023-12-16 11:11:37,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:11:37,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:11:37,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:11:37,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:11:37,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:11:37,324 INFO L87 Difference]: Start difference. First operand has 96 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 53 states have internal predecessors, (72), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-12-16 11:11:39,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:11:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:11:39,294 INFO L93 Difference]: Finished difference Result 189 states and 347 transitions. [2023-12-16 11:11:39,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:11:39,341 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 247 [2023-12-16 11:11:39,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:11:39,346 INFO L225 Difference]: With dead ends: 189 [2023-12-16 11:11:39,346 INFO L226 Difference]: Without dead ends: 94 [2023-12-16 11:11:39,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 246 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 11:11:39,350 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 11:11:39,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-16 11:11:39,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-16 11:11:39,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-16 11:11:39,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2023-12-16 11:11:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 149 transitions. [2023-12-16 11:11:39,380 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 149 transitions. Word has length 247 [2023-12-16 11:11:39,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:11:39,381 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 149 transitions. [2023-12-16 11:11:39,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2023-12-16 11:11:39,381 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 149 transitions. [2023-12-16 11:11:39,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-12-16 11:11:39,385 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:11:39,385 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:11:39,399 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 [2023-12-16 11:11:39,592 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 11:11:39,592 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:11:39,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:11:39,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1387446283, now seen corresponding path program 1 times [2023-12-16 11:11:39,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:11:39,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1228743223] [2023-12-16 11:11:39,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:11:39,594 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 11:11:39,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:11:39,596 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 11:11:39,598 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 11:11:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:11:40,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 11:11:40,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:11:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2023-12-16 11:11:41,992 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:11:41,993 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:11:41,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1228743223] [2023-12-16 11:11:41,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1228743223] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:11:41,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:11:41,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 11:11:41,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146039452] [2023-12-16 11:11:41,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:11:41,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 11:11:41,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:11:41,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 11:11:41,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 11:11:41,995 INFO L87 Difference]: Start difference. First operand 94 states and 149 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2023-12-16 11:11:43,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:11:46,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:11:46,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:11:46,249 INFO L93 Difference]: Finished difference Result 281 states and 446 transitions. [2023-12-16 11:11:46,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 11:11:46,296 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 247 [2023-12-16 11:11:46,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:11:46,300 INFO L225 Difference]: With dead ends: 281 [2023-12-16 11:11:46,300 INFO L226 Difference]: Without dead ends: 188 [2023-12-16 11:11:46,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 11:11:46,302 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 94 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-16 11:11:46,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 480 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-12-16 11:11:46,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-12-16 11:11:46,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 172. [2023-12-16 11:11:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 87 states have (on average 1.2528735632183907) internal successors, (109), 87 states have internal predecessors, (109), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-16 11:11:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 273 transitions. [2023-12-16 11:11:46,345 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 273 transitions. Word has length 247 [2023-12-16 11:11:46,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:11:46,346 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 273 transitions. [2023-12-16 11:11:46,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2023-12-16 11:11:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 273 transitions. [2023-12-16 11:11:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2023-12-16 11:11:46,355 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:11:46,355 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:11:46,369 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 11:11:46,567 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 11:11:46,568 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:11:46,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:11:46,569 INFO L85 PathProgramCache]: Analyzing trace with hash 447527516, now seen corresponding path program 1 times [2023-12-16 11:11:46,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:11:46,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035888728] [2023-12-16 11:11:46,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:11:46,570 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 11:11:46,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:11:46,572 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 11:11:46,579 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 11:11:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:11:47,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-16 11:11:47,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-16 11:12:46,555 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:12:46,556 WARN L340 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)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:12:47,316 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:12:47,327 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 11:12:47,525 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 11:12:47,526 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 249 with TraceHistMax 41,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-18-2-2-1 context. [2023-12-16 11:12:47,533 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-16 11:12:47,535 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:12:47,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:12:47 BoogieIcfgContainer [2023-12-16 11:12:47,536 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:12:47,537 INFO L158 Benchmark]: Toolchain (without parser) took 77714.66ms. Allocated memory was 179.3MB in the beginning and 288.4MB in the end (delta: 109.1MB). Free memory was 139.1MB in the beginning and 134.1MB in the end (delta: 5.0MB). Peak memory consumption was 114.6MB. Max. memory is 8.0GB. [2023-12-16 11:12:47,537 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 179.3MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:12:47,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.95ms. Allocated memory is still 179.3MB. Free memory was 138.8MB in the beginning and 122.7MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-16 11:12:47,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.48ms. Allocated memory is still 179.3MB. Free memory was 122.7MB in the beginning and 119.9MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 11:12:47,538 INFO L158 Benchmark]: Boogie Preprocessor took 41.65ms. Allocated memory is still 179.3MB. Free memory was 119.9MB in the beginning and 116.4MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 11:12:47,538 INFO L158 Benchmark]: RCFGBuilder took 6420.99ms. Allocated memory is still 179.3MB. Free memory was 116.4MB in the beginning and 89.2MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-16 11:12:47,539 INFO L158 Benchmark]: TraceAbstraction took 70963.69ms. Allocated memory was 179.3MB in the beginning and 288.4MB in the end (delta: 109.1MB). Free memory was 88.5MB in the beginning and 134.1MB in the end (delta: -45.7MB). Peak memory consumption was 64.3MB. Max. memory is 8.0GB. [2023-12-16 11:12:47,540 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 179.3MB. Free memory is still 131.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 248.95ms. Allocated memory is still 179.3MB. Free memory was 138.8MB in the beginning and 122.7MB in the end (delta: 16.1MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.48ms. Allocated memory is still 179.3MB. Free memory was 122.7MB in the beginning and 119.9MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.65ms. Allocated memory is still 179.3MB. Free memory was 119.9MB in the beginning and 116.4MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 6420.99ms. Allocated memory is still 179.3MB. Free memory was 116.4MB in the beginning and 89.2MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 70963.69ms. Allocated memory was 179.3MB in the beginning and 288.4MB in the end (delta: 109.1MB). Free memory was 88.5MB in the beginning and 134.1MB in the end (delta: -45.7MB). Peak memory consumption was 64.3MB. Max. memory is 8.0GB. * 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 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 249 with TraceHistMax 41,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-18-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 70.9s, OverallIterations: 3, TraceHistogramMax: 41, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 626 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 338 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 288 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 495 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=172occurred in iteration=2, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 494 NumberOfCodeBlocks, 494 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 492 ConstructedInterpolants, 0 QuantifiedInterpolants, 1908 SizeOfPredicates, 3 NumberOfNonLiveVariables, 794 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6560/6560 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown