/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-69.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 03:55:08,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 03:55:08,732 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 03:55:08,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 03:55:08,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 03:55:08,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 03:55:08,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 03:55:08,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 03:55:08,759 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 03:55:08,761 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 03:55:08,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 03:55:08,762 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 03:55:08,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 03:55:08,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 03:55:08,764 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 03:55:08,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 03:55:08,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 03:55:08,764 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 03:55:08,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 03:55:08,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 03:55:08,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 03:55:08,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 03:55:08,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 03:55:08,766 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 03:55:08,766 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 03:55:08,766 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 03:55:08,766 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 03:55:08,766 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 03:55:08,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 03:55:08,767 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 03:55:08,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 03:55:08,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 03:55:08,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 03:55:08,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 03:55:08,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 03:55:08,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 03:55:08,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 03:55:08,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 03:55:08,768 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 03:55:08,768 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 03:55:08,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 03:55:08,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 03:55:08,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 03:55:08,769 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 03:55:08,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 03:55:08,769 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 03:55:08,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 03:55:08,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 03:55:08,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 03:55:08,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 03:55:08,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 03:55:08,982 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 03:55:08,982 INFO L431 ainManager$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-69.i [2023-12-23 03:55:10,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 03:55:10,201 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 03:55:10,201 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-69.i [2023-12-23 03:55:10,212 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa963b45a/98eaf0f00af54bdf975643c0e8effb51/FLAG6236366e5 [2023-12-23 03:55:10,225 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa963b45a/98eaf0f00af54bdf975643c0e8effb51 [2023-12-23 03:55:10,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 03:55:10,228 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 03:55:10,230 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 03:55:10,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 03:55:10,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 03:55:10,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602824a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10, skipping insertion in model container [2023-12-23 03:55:10,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,270 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 03:55:10,396 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-69.i[915,928] [2023-12-23 03:55:10,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 03:55:10,466 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 03:55:10,476 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-69.i[915,928] [2023-12-23 03:55:10,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 03:55:10,523 INFO L206 MainTranslator]: Completed translation [2023-12-23 03:55:10,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10 WrapperNode [2023-12-23 03:55:10,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 03:55:10,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 03:55:10,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 03:55:10,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 03:55:10,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,576 INFO L138 Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 237 [2023-12-23 03:55:10,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 03:55:10,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 03:55:10,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 03:55:10,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 03:55:10,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,591 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,605 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]. [2023-12-23 03:55:10,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,621 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 03:55:10,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 03:55:10,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 03:55:10,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 03:55:10,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (1/1) ... [2023-12-23 03:55:10,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 03:55:10,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 03:55:10,669 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) [2023-12-23 03:55:10,671 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 [2023-12-23 03:55:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 03:55:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 03:55:10,689 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 03:55:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 03:55:10,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 03:55:10,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 03:55:10,797 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 03:55:10,798 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 03:55:11,182 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 03:55:11,226 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 03:55:11,226 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 03:55:11,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:55:11 BoogieIcfgContainer [2023-12-23 03:55:11,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 03:55:11,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 03:55:11,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 03:55:11,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 03:55:11,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:55:10" (1/3) ... [2023-12-23 03:55:11,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e9938a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:55:11, skipping insertion in model container [2023-12-23 03:55:11,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:55:10" (2/3) ... [2023-12-23 03:55:11,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78e9938a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:55:11, skipping insertion in model container [2023-12-23 03:55:11,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:55:11" (3/3) ... [2023-12-23 03:55:11,235 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-69.i [2023-12-23 03:55:11,247 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 03:55:11,247 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 03:55:11,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 03:55:11,299 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;@2722142e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 03:55:11,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 03:55:11,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 56 states have internal predecessors, (75), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-23 03:55:11,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-12-23 03:55:11,326 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 03:55:11,326 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 03:55:11,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 03:55:11,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 03:55:11,332 INFO L85 PathProgramCache]: Analyzing trace with hash 920009276, now seen corresponding path program 1 times [2023-12-23 03:55:11,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 03:55:11,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [8568720] [2023-12-23 03:55:11,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 03:55:11,345 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 [2023-12-23 03:55:11,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 03:55:11,347 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) [2023-12-23 03:55:11,352 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 [2023-12-23 03:55:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 03:55:11,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 03:55:11,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 03:55:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 1524 proven. 0 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2023-12-23 03:55:11,724 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 03:55:11,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 03:55:11,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [8568720] [2023-12-23 03:55:11,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [8568720] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 03:55:11,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 03:55:11,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 03:55:11,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992628574] [2023-12-23 03:55:11,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 03:55:11,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 03:55:11,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 03:55:11,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 03:55:11,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 03:55:11,762 INFO L87 Difference]: Start difference. First operand has 101 states, 55 states have (on average 1.3636363636363635) internal successors, (75), 56 states have internal predecessors, (75), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-23 03:55:11,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 03:55:11,824 INFO L93 Difference]: Finished difference Result 199 states and 363 transitions. [2023-12-23 03:55:11,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 03:55:11,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 259 [2023-12-23 03:55:11,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 03:55:11,833 INFO L225 Difference]: With dead ends: 199 [2023-12-23 03:55:11,833 INFO L226 Difference]: Without dead ends: 99 [2023-12-23 03:55:11,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 03:55:11,842 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-23 03:55:11,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-23 03:55:11,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-12-23 03:55:11,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2023-12-23 03:55:11,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 54 states have internal predecessors, (70), 43 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2023-12-23 03:55:11,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 156 transitions. [2023-12-23 03:55:11,875 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 156 transitions. Word has length 259 [2023-12-23 03:55:11,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 03:55:11,876 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 156 transitions. [2023-12-23 03:55:11,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-12-23 03:55:11,876 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 156 transitions. [2023-12-23 03:55:11,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-12-23 03:55:11,879 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 03:55:11,880 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 03:55:11,892 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 [2023-12-23 03:55:12,088 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 [2023-12-23 03:55:12,089 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 03:55:12,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 03:55:12,090 INFO L85 PathProgramCache]: Analyzing trace with hash -189579642, now seen corresponding path program 1 times [2023-12-23 03:55:12,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 03:55:12,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922753465] [2023-12-23 03:55:12,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 03:55:12,091 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 [2023-12-23 03:55:12,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 03:55:12,093 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) [2023-12-23 03:55:12,094 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 [2023-12-23 03:55:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 03:55:12,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 03:55:12,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 03:55:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2023-12-23 03:55:12,380 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 03:55:12,380 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 03:55:12,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922753465] [2023-12-23 03:55:12,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922753465] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 03:55:12,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 03:55:12,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 03:55:12,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201731184] [2023-12-23 03:55:12,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 03:55:12,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 03:55:12,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 03:55:12,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 03:55:12,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 03:55:12,387 INFO L87 Difference]: Start difference. First operand 99 states and 156 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-23 03:55:12,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 03:55:12,648 INFO L93 Difference]: Finished difference Result 226 states and 355 transitions. [2023-12-23 03:55:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 03:55:12,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) Word has length 259 [2023-12-23 03:55:12,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 03:55:12,651 INFO L225 Difference]: With dead ends: 226 [2023-12-23 03:55:12,651 INFO L226 Difference]: Without dead ends: 128 [2023-12-23 03:55:12,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 03:55:12,652 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 49 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-23 03:55:12,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 335 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-23 03:55:12,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-12-23 03:55:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2023-12-23 03:55:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 65 states have (on average 1.2307692307692308) internal successors, (80), 66 states have internal predecessors, (80), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 58 states have call predecessors, (59), 59 states have call successors, (59) [2023-12-23 03:55:12,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 198 transitions. [2023-12-23 03:55:12,667 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 198 transitions. Word has length 259 [2023-12-23 03:55:12,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 03:55:12,674 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 198 transitions. [2023-12-23 03:55:12,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (43), 1 states have call predecessors, (43), 1 states have return successors, (43), 1 states have call predecessors, (43), 1 states have call successors, (43) [2023-12-23 03:55:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 198 transitions. [2023-12-23 03:55:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2023-12-23 03:55:12,678 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 03:55:12,680 INFO L195 NwaCegarLoop]: trace histogram [43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 03:55:12,687 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 [2023-12-23 03:55:12,882 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 [2023-12-23 03:55:12,883 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 03:55:12,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 03:55:12,883 INFO L85 PathProgramCache]: Analyzing trace with hash -189520060, now seen corresponding path program 1 times [2023-12-23 03:55:12,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 03:55:12,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997568947] [2023-12-23 03:55:12,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 03:55:12,884 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 [2023-12-23 03:55:12,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 03:55:12,885 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) [2023-12-23 03:55:12,887 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 [2023-12-23 03:55:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 03:55:13,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-23 03:55:13,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-23 04:09:45,584 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 [2023-12-23 04:09:45,584 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 [2023-12-23 04:09:45,601 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 04:09:45,611 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 [2023-12-23 04:09:45,802 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 [2023-12-23 04:09:45,803 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 260 with TraceHistMax 43,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-18-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-62-3-3-3-2-3-2-3-2-3-2-3-2-3-2-4-2-4-2-4-2-4-2-3-2-3-2-4-2-3-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-1 context. [2023-12-23 04:09:45,807 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 04:09:45,808 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 04:09:45,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 04:09:45 BoogieIcfgContainer [2023-12-23 04:09:45,810 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 04:09:45,810 INFO L158 Benchmark]: Toolchain (without parser) took 875581.94ms. Allocated memory was 306.2MB in the beginning and 4.3GB in the end (delta: 4.0GB). Free memory was 251.7MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2023-12-23 04:09:45,810 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 224.4MB. Free memory was 174.7MB in the beginning and 174.5MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 04:09:45,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.95ms. Allocated memory is still 306.2MB. Free memory was 251.4MB in the beginning and 235.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 04:09:45,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.64ms. Allocated memory is still 306.2MB. Free memory was 235.2MB in the beginning and 232.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 04:09:45,811 INFO L158 Benchmark]: Boogie Preprocessor took 66.80ms. Allocated memory is still 306.2MB. Free memory was 232.6MB in the beginning and 228.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 04:09:45,811 INFO L158 Benchmark]: RCFGBuilder took 582.48ms. Allocated memory is still 306.2MB. Free memory was 228.7MB in the beginning and 249.4MB in the end (delta: -20.7MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2023-12-23 04:09:45,812 INFO L158 Benchmark]: TraceAbstraction took 874579.99ms. Allocated memory was 306.2MB in the beginning and 4.3GB in the end (delta: 4.0GB). Free memory was 248.9MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 2.9GB. Max. memory is 8.0GB. [2023-12-23 04:09:45,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 224.4MB. Free memory was 174.7MB in the beginning and 174.5MB in the end (delta: 184.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 293.95ms. Allocated memory is still 306.2MB. Free memory was 251.4MB in the beginning and 235.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.64ms. Allocated memory is still 306.2MB. Free memory was 235.2MB in the beginning and 232.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.80ms. Allocated memory is still 306.2MB. Free memory was 232.6MB in the beginning and 228.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 582.48ms. Allocated memory is still 306.2MB. Free memory was 228.7MB in the beginning and 249.4MB in the end (delta: -20.7MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * TraceAbstraction took 874579.99ms. Allocated memory was 306.2MB in the beginning and 4.3GB in the end (delta: 4.0GB). Free memory was 248.9MB in the beginning and 2.1GB in the end (delta: -1.9GB). Peak memory consumption was 2.9GB. 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 260 with TraceHistMax 43,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-18-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-62-3-3-3-2-3-2-3-2-3-2-3-2-3-2-4-2-4-2-4-2-4-2-3-2-3-2-4-2-3-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 874.5s, OverallIterations: 3, TraceHistogramMax: 43, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 488 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 141 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 347 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 516 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=2, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 516 ConstructedInterpolants, 0 QuantifiedInterpolants, 518 SizeOfPredicates, 2 NumberOfNonLiveVariables, 832 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 7224/7224 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