/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_codestructure_normal_file-83.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 10:23:11,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 10:23:11,301 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 10:23:11,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 10:23:11,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 10:23:11,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 10:23:11,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 10:23:11,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 10:23:11,346 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 10:23:11,349 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 10:23:11,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 10:23:11,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 10:23:11,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 10:23:11,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 10:23:11,352 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 10:23:11,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 10:23:11,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 10:23:11,353 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 10:23:11,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 10:23:11,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 10:23:11,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 10:23:11,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 10:23:11,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 10:23:11,355 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 10:23:11,355 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 10:23:11,355 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 10:23:11,356 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 10:23:11,356 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 10:23:11,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 10:23:11,356 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 10:23:11,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 10:23:11,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 10:23:11,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 10:23:11,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 10:23:11,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 10:23:11,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 10:23:11,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 10:23:11,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 10:23:11,358 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 10:23:11,358 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 10:23:11,359 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 10:23:11,359 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 10:23:11,359 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 10:23:11,359 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 10:23:11,359 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 10:23:11,359 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 10:23:11,360 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 10:23:11,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 10:23:11,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 10:23:11,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 10:23:11,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 10:23:11,591 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 10:23:11,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_normal_file-83.i [2023-12-16 10:23:12,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 10:23:12,931 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 10:23:12,931 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_codestructure_normal_file-83.i [2023-12-16 10:23:12,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad11a32e2/36872792b9334598b4ff13805ea7cae8/FLAGe9d5f7d9a [2023-12-16 10:23:12,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad11a32e2/36872792b9334598b4ff13805ea7cae8 [2023-12-16 10:23:12,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 10:23:12,964 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 10:23:12,966 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 10:23:12,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 10:23:12,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 10:23:12,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:23:12" (1/1) ... [2023-12-16 10:23:12,973 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d7e65a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:12, skipping insertion in model container [2023-12-16 10:23:12,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 10:23:12" (1/1) ... [2023-12-16 10:23:13,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 10:23:13,136 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_codestructure_normal_file-83.i[913,926] [2023-12-16 10:23:13,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 10:23:13,195 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 10:23:13,205 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_codestructure_normal_file-83.i[913,926] [2023-12-16 10:23:13,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 10:23:13,252 INFO L206 MainTranslator]: Completed translation [2023-12-16 10:23:13,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13 WrapperNode [2023-12-16 10:23:13,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 10:23:13,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 10:23:13,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 10:23:13,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 10:23:13,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,323 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 144 [2023-12-16 10:23:13,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 10:23:13,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 10:23:13,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 10:23:13,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 10:23:13,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,352 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,367 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 10:23:13,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,396 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,402 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 10:23:13,403 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 10:23:13,403 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 10:23:13,403 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 10:23:13,404 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (1/1) ... [2023-12-16 10:23:13,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 10:23:13,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 10:23:13,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 10:23:13,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 10:23:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 10:23:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 10:23:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 10:23:13,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 10:23:13,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 10:23:13,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 10:23:13,563 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 10:23:13,567 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 10:23:15,798 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 10:23:15,861 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 10:23:15,862 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 10:23:15,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:23:15 BoogieIcfgContainer [2023-12-16 10:23:15,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 10:23:15,865 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 10:23:15,865 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 10:23:15,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 10:23:15,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 10:23:12" (1/3) ... [2023-12-16 10:23:15,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55157352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 10:23:15, skipping insertion in model container [2023-12-16 10:23:15,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 10:23:13" (2/3) ... [2023-12-16 10:23:15,869 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55157352 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 10:23:15, skipping insertion in model container [2023-12-16 10:23:15,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:23:15" (3/3) ... [2023-12-16 10:23:15,871 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-83.i [2023-12-16 10:23:15,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 10:23:15,886 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 10:23:15,931 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 10:23:15,938 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;@6725d4b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 10:23:15,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 10:23:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-16 10:23:15,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-16 10:23:15,956 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 10:23:15,956 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 10:23:15,957 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 10:23:15,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 10:23:15,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1929264576, now seen corresponding path program 1 times [2023-12-16 10:23:15,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 10:23:15,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440392234] [2023-12-16 10:23:15,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 10:23:15,972 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 10:23:15,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 10:23:15,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 10:23:16,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 10:23:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 10:23:17,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-16 10:23:17,162 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 10:23:51,504 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 96 DAG size of output: 95 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-16 10:24:10,623 WARN L293 SmtUtils]: Spent 6.83s on a formula simplification that was a NOOP. DAG size: 106 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-12-16 10:24:25,974 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 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 10:24:25,977 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 10:24:26,859 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 10:24:26,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-16 10:24:27,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-16 10:24:27,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 10:24:27,060 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 158 with TraceHistMax 26,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-19-2-2-1 term,while SimplifyDDA2 was simplifying 19 xjuncts wrt. a ATOM-1 context. [2023-12-16 10:24:27,065 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 10:24:27,067 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 10:24:27,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 10:24:27 BoogieIcfgContainer [2023-12-16 10:24:27,069 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 10:24:27,070 INFO L158 Benchmark]: Toolchain (without parser) took 74106.11ms. Allocated memory was 187.7MB in the beginning and 282.1MB in the end (delta: 94.4MB). Free memory was 136.3MB in the beginning and 230.4MB in the end (delta: -94.1MB). Peak memory consumption was 142.6MB. Max. memory is 8.0GB. [2023-12-16 10:24:27,070 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 187.7MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 10:24:27,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.87ms. Allocated memory is still 187.7MB. Free memory was 136.0MB in the beginning and 121.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-16 10:24:27,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.53ms. Allocated memory is still 187.7MB. Free memory was 121.7MB in the beginning and 119.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 10:24:27,072 INFO L158 Benchmark]: Boogie Preprocessor took 77.89ms. Allocated memory is still 187.7MB. Free memory was 119.4MB in the beginning and 116.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 10:24:27,072 INFO L158 Benchmark]: RCFGBuilder took 2459.90ms. Allocated memory was 187.7MB in the beginning and 282.1MB in the end (delta: 94.4MB). Free memory was 116.2MB in the beginning and 246.9MB in the end (delta: -130.6MB). Peak memory consumption was 22.6MB. Max. memory is 8.0GB. [2023-12-16 10:24:27,073 INFO L158 Benchmark]: TraceAbstraction took 71204.55ms. Allocated memory is still 282.1MB. Free memory was 245.8MB in the beginning and 230.4MB in the end (delta: 15.4MB). Peak memory consumption was 156.8MB. Max. memory is 8.0GB. [2023-12-16 10:24:27,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 187.7MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 286.87ms. Allocated memory is still 187.7MB. Free memory was 136.0MB in the beginning and 121.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.53ms. Allocated memory is still 187.7MB. Free memory was 121.7MB in the beginning and 119.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.89ms. Allocated memory is still 187.7MB. Free memory was 119.4MB in the beginning and 116.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 2459.90ms. Allocated memory was 187.7MB in the beginning and 282.1MB in the end (delta: 94.4MB). Free memory was 116.2MB in the beginning and 246.9MB in the end (delta: -130.6MB). Peak memory consumption was 22.6MB. Max. memory is 8.0GB. * TraceAbstraction took 71204.55ms. Allocated memory is still 282.1MB. Free memory was 245.8MB in the beginning and 230.4MB in the end (delta: 15.4MB). Peak memory consumption was 156.8MB. 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 158 with TraceHistMax 26,while TraceCheckSpWp was constructing forward predicates,while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-19-2-2-1 term,while SimplifyDDA2 was simplifying 19 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 71.1s, OverallIterations: 1, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown