/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_loopvsstraightlinecode_25-while_file-76.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 02:15:24,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 02:15:24,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 02:15:24,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 02:15:24,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 02:15:24,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 02:15:24,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 02:15:24,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 02:15:24,932 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 02:15:24,935 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 02:15:24,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 02:15:24,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 02:15:24,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 02:15:24,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 02:15:24,936 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 02:15:24,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 02:15:24,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 02:15:24,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 02:15:24,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 02:15:24,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 02:15:24,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 02:15:24,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 02:15:24,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 02:15:24,938 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 02:15:24,938 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 02:15:24,939 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 02:15:24,939 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 02:15:24,939 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 02:15:24,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 02:15:24,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 02:15:24,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 02:15:24,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 02:15:24,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 02:15:24,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 02:15:24,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 02:15:24,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 02:15:24,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 02:15:24,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 02:15:24,941 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 02:15:24,941 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 02:15:24,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 02:15:24,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 02:15:24,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 02:15:24,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 02:15:24,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 02:15:24,942 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 02:15:24,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 02:15:25,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 02:15:25,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 02:15:25,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 02:15:25,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 02:15:25,152 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 02:15:25,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-76.i [2023-12-24 02:15:26,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 02:15:26,352 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 02:15:26,352 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-76.i [2023-12-24 02:15:26,358 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d91c39ba5/655f7cd9c8ca4cddb2122a3e4662b94d/FLAGb6d136759 [2023-12-24 02:15:26,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d91c39ba5/655f7cd9c8ca4cddb2122a3e4662b94d [2023-12-24 02:15:26,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 02:15:26,372 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 02:15:26,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 02:15:26,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 02:15:26,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 02:15:26,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f204c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26, skipping insertion in model container [2023-12-24 02:15:26,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,404 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 02:15:26,530 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_loopvsstraightlinecode_25-while_file-76.i[915,928] [2023-12-24 02:15:26,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 02:15:26,599 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 02:15:26,610 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_loopvsstraightlinecode_25-while_file-76.i[915,928] [2023-12-24 02:15:26,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 02:15:26,653 INFO L206 MainTranslator]: Completed translation [2023-12-24 02:15:26,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26 WrapperNode [2023-12-24 02:15:26,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 02:15:26,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 02:15:26,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 02:15:26,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 02:15:26,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,697 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2023-12-24 02:15:26,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 02:15:26,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 02:15:26,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 02:15:26,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 02:15:26,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,729 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]. [2023-12-24 02:15:26,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 02:15:26,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 02:15:26,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 02:15:26,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 02:15:26,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (1/1) ... [2023-12-24 02:15:26,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 02:15:26,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 02:15:26,781 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) [2023-12-24 02:15:26,795 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 [2023-12-24 02:15:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 02:15:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 02:15:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 02:15:26,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 02:15:26,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 02:15:26,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 02:15:26,883 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 02:15:26,886 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 02:15:27,244 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 02:15:27,281 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 02:15:27,281 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 02:15:27,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:15:27 BoogieIcfgContainer [2023-12-24 02:15:27,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 02:15:27,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 02:15:27,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 02:15:27,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 02:15:27,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 02:15:26" (1/3) ... [2023-12-24 02:15:27,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3cccc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 02:15:27, skipping insertion in model container [2023-12-24 02:15:27,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 02:15:26" (2/3) ... [2023-12-24 02:15:27,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3cccc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 02:15:27, skipping insertion in model container [2023-12-24 02:15:27,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 02:15:27" (3/3) ... [2023-12-24 02:15:27,288 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-76.i [2023-12-24 02:15:27,301 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 02:15:27,302 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 02:15:27,340 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 02:15:27,346 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;@615029d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 02:15:27,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 02:15:27,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-24 02:15:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-24 02:15:27,356 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 02:15:27,356 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 02:15:27,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 02:15:27,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 02:15:27,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1860658635, now seen corresponding path program 1 times [2023-12-24 02:15:27,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 02:15:27,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962950102] [2023-12-24 02:15:27,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 02:15:27,376 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 [2023-12-24 02:15:27,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 02:15:27,384 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) [2023-12-24 02:15:27,391 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 [2023-12-24 02:15:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 02:15:27,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 02:15:27,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 02:15:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-12-24 02:15:27,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 02:15:27,578 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 02:15:27,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962950102] [2023-12-24 02:15:27,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962950102] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 02:15:27,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 02:15:27,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 02:15:27,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982074819] [2023-12-24 02:15:27,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 02:15:27,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 02:15:27,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 02:15:27,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 02:15:27,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 02:15:27,602 INFO L87 Difference]: Start difference. First operand has 34 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 22 states have internal predecessors, (30), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-24 02:15:27,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 02:15:27,662 INFO L93 Difference]: Finished difference Result 65 states and 108 transitions. [2023-12-24 02:15:27,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 02:15:27,668 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 65 [2023-12-24 02:15:27,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 02:15:27,673 INFO L225 Difference]: With dead ends: 65 [2023-12-24 02:15:27,673 INFO L226 Difference]: Without dead ends: 32 [2023-12-24 02:15:27,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 02:15:27,680 INFO L413 NwaCegarLoop]: 42 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, 42 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 [2023-12-24 02:15:27,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-24 02:15:27,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-12-24 02:15:27,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2023-12-24 02:15:27,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.25) internal successors, (25), 20 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-24 02:15:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2023-12-24 02:15:27,712 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 65 [2023-12-24 02:15:27,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 02:15:27,712 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2023-12-24 02:15:27,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-24 02:15:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2023-12-24 02:15:27,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-24 02:15:27,716 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 02:15:27,716 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 02:15:27,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-24 02:15:27,925 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 [2023-12-24 02:15:27,926 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 02:15:27,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 02:15:27,927 INFO L85 PathProgramCache]: Analyzing trace with hash -424658489, now seen corresponding path program 1 times [2023-12-24 02:15:27,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 02:15:27,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544058318] [2023-12-24 02:15:27,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 02:15:27,928 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 [2023-12-24 02:15:27,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 02:15:27,933 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) [2023-12-24 02:15:27,969 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 [2023-12-24 02:15:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 02:15:28,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-24 02:15:28,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 02:15:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-24 02:15:28,298 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 02:15:28,299 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 02:15:28,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544058318] [2023-12-24 02:15:28,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544058318] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 02:15:28,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 02:15:28,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-24 02:15:28,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220943068] [2023-12-24 02:15:28,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 02:15:28,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 02:15:28,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 02:15:28,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 02:15:28,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-24 02:15:28,305 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-24 02:15:28,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 02:15:28,477 INFO L93 Difference]: Finished difference Result 94 states and 133 transitions. [2023-12-24 02:15:28,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-24 02:15:28,478 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2023-12-24 02:15:28,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 02:15:28,479 INFO L225 Difference]: With dead ends: 94 [2023-12-24 02:15:28,479 INFO L226 Difference]: Without dead ends: 63 [2023-12-24 02:15:28,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-24 02:15:28,481 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 14 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-24 02:15:28,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 116 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-24 02:15:28,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-12-24 02:15:28,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2023-12-24 02:15:28,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 38 states have (on average 1.236842105263158) internal successors, (47), 38 states have internal predecessors, (47), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-24 02:15:28,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 87 transitions. [2023-12-24 02:15:28,492 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 87 transitions. Word has length 65 [2023-12-24 02:15:28,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 02:15:28,493 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 87 transitions. [2023-12-24 02:15:28,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-24 02:15:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 87 transitions. [2023-12-24 02:15:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-24 02:15:28,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 02:15:28,494 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 02:15:28,502 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 [2023-12-24 02:15:28,701 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 [2023-12-24 02:15:28,702 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 02:15:28,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 02:15:28,702 INFO L85 PathProgramCache]: Analyzing trace with hash -422811447, now seen corresponding path program 1 times [2023-12-24 02:15:28,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 02:15:28,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623415239] [2023-12-24 02:15:28,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 02:15:28,703 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 [2023-12-24 02:15:28,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 02:15:28,704 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) [2023-12-24 02:15:28,706 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 [2023-12-24 02:15:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 02:15:28,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-24 02:15:28,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-24 02:30:04,784 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 [2023-12-24 02:30:04,784 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 [2023-12-24 02:30:04,890 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 02:30:04,900 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 [2023-12-24 02:30:05,092 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 [2023-12-24 02:30:05,092 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 66 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-14-2-2-2-4-3-4-3-2-2-2-2-4-3-4-3-2-2-4-3-4-3-4-3-4-3-2-2-2-2-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-51-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-6-4-5-4-7-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-2-2-2-2-2-1 context. [2023-12-24 02:30:05,096 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-24 02:30:05,098 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 02:30:05,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 02:30:05 BoogieIcfgContainer [2023-12-24 02:30:05,104 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 02:30:05,104 INFO L158 Benchmark]: Toolchain (without parser) took 878731.71ms. Allocated memory was 307.2MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 252.5MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 2.3GB. Max. memory is 8.0GB. [2023-12-24 02:30:05,104 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 204.5MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 02:30:05,104 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.27ms. Allocated memory is still 307.2MB. Free memory was 252.0MB in the beginning and 238.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-12-24 02:30:05,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.22ms. Allocated memory is still 307.2MB. Free memory was 238.9MB in the beginning and 236.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 02:30:05,105 INFO L158 Benchmark]: Boogie Preprocessor took 56.97ms. Allocated memory is still 307.2MB. Free memory was 236.8MB in the beginning and 234.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 02:30:05,105 INFO L158 Benchmark]: RCFGBuilder took 526.06ms. Allocated memory is still 307.2MB. Free memory was 234.2MB in the beginning and 217.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-24 02:30:05,105 INFO L158 Benchmark]: TraceAbstraction took 877819.97ms. Allocated memory was 307.2MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 216.3MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2023-12-24 02:30:05,107 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 204.5MB. Free memory is still 150.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 279.27ms. Allocated memory is still 307.2MB. Free memory was 252.0MB in the beginning and 238.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.22ms. Allocated memory is still 307.2MB. Free memory was 238.9MB in the beginning and 236.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.97ms. Allocated memory is still 307.2MB. Free memory was 236.8MB in the beginning and 234.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 526.06ms. Allocated memory is still 307.2MB. Free memory was 234.2MB in the beginning and 217.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 877819.97ms. Allocated memory was 307.2MB in the beginning and 3.4GB in the end (delta: 3.1GB). Free memory was 216.3MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 2.2GB. 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 66 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-14-2-2-2-4-3-4-3-2-2-2-2-4-3-4-3-2-2-4-3-4-3-4-3-4-3-2-2-2-2-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-51-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-6-4-5-4-7-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 877.8s, OverallIterations: 3, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 158 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 81 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 251 SizeOfPredicates, 4 NumberOfNonLiveVariables, 242 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 360/360 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