/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-64bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal29.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 21:27:08,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 21:27:08,418 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-12-16 21:27:08,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 21:27:08,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 21:27:08,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 21:27:08,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 21:27:08,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 21:27:08,443 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 21:27:08,446 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 21:27:08,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 21:27:08,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 21:27:08,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 21:27:08,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 21:27:08,448 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 21:27:08,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 21:27:08,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 21:27:08,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 21:27:08,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 21:27:08,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 21:27:08,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 21:27:08,450 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 21:27:08,450 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 21:27:08,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 21:27:08,451 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 21:27:08,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 21:27:08,451 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 21:27:08,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 21:27:08,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 21:27:08,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 21:27:08,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 21:27:08,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 21:27:08,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 21:27:08,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 21:27:08,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 21:27:08,453 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 21:27:08,454 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 21:27:08,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 21:27:08,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 21:27:08,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 21:27:08,454 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 21:27:08,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 21:27:08,454 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 21:27:08,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 21:27:08,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 21:27:08,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 21:27:08,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 21:27:08,663 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 21:27:08,663 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 21:27:08,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal29.c [2023-12-16 21:27:09,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 21:27:10,144 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 21:27:10,145 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal29.c [2023-12-16 21:27:10,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4701453f3/28cb5ad1f28648b28a70488d73f3fc37/FLAG9995c8961 [2023-12-16 21:27:10,193 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4701453f3/28cb5ad1f28648b28a70488d73f3fc37 [2023-12-16 21:27:10,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 21:27:10,196 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 21:27:10,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 21:27:10,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 21:27:10,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 21:27:10,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:27:10" (1/1) ... [2023-12-16 21:27:10,202 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1b21ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:10, skipping insertion in model container [2023-12-16 21:27:10,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 09:27:10" (1/1) ... [2023-12-16 21:27:10,338 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 21:27:10,587 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal29.c[1245,1258] [2023-12-16 21:27:11,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 21:27:11,281 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 21:27:11,290 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal29.c[1245,1258] [2023-12-16 21:27:11,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 21:27:11,746 INFO L206 MainTranslator]: Completed translation [2023-12-16 21:27:11,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11 WrapperNode [2023-12-16 21:27:11,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 21:27:11,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 21:27:11,747 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 21:27:11,747 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 21:27:11,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:11,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,160 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13249 [2023-12-16 21:27:12,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 21:27:12,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 21:27:12,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 21:27:12,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 21:27:12,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,439 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2023-12-16 21:27:12,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 21:27:12,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 21:27:12,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 21:27:12,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 21:27:12,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (1/1) ... [2023-12-16 21:27:12,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 21:27:12,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 21:27:12,745 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 21:27:12,863 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 21:27:12,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 21:27:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 21:27:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-16 21:27:12,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 21:27:12,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 21:27:14,009 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 21:27:14,010 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 21:28:23,311 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 21:28:23,792 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 21:28:23,793 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 21:28:23,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:28:23 BoogieIcfgContainer [2023-12-16 21:28:23,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 21:28:23,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 21:28:23,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 21:28:23,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 21:28:23,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 09:27:10" (1/3) ... [2023-12-16 21:28:23,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a86e8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:28:23, skipping insertion in model container [2023-12-16 21:28:23,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 09:27:11" (2/3) ... [2023-12-16 21:28:23,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a86e8ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:28:23, skipping insertion in model container [2023-12-16 21:28:23,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:28:23" (3/3) ... [2023-12-16 21:28:23,799 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal29.c [2023-12-16 21:28:23,847 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 21:28:23,848 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 21:28:23,880 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 21:28:23,884 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;@7eab3574, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 21:28:23,884 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 21:28:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 21:28:23,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-16 21:28:23,892 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 21:28:23,892 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-12-16 21:28:23,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 21:28:23,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 21:28:23,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-12-16 21:28:23,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 21:28:23,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [457029998] [2023-12-16 21:28:23,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 21:28:23,908 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 21:28:23,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 21:28:23,934 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 21:28:23,952 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 Received shutdown request... [2023-12-16 21:28:24,453 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 21:28:24,453 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 21:28:25,480 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-16 21:28:25,482 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 21:28:25,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-16 21:28:25,510 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 21:28:25,682 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 21:28:25,683 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 5 with TraceHistMax 1,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [457029998] and IpTcStrategyModuleCvc4 [558277183]. [2023-12-16 21:28:25,687 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-16 21:28:25,689 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 21:28:25,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 09:28:25 BoogieIcfgContainer [2023-12-16 21:28:25,690 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 21:28:25,690 INFO L158 Benchmark]: Toolchain (without parser) took 75494.46ms. Allocated memory was 189.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 116.4MB in the beginning and 1.0GB in the end (delta: -923.5MB). Peak memory consumption was 252.8MB. Max. memory is 8.0GB. [2023-12-16 21:28:25,691 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 189.8MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 21:28:25,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1548.45ms. Allocated memory was 189.8MB in the beginning and 268.4MB in the end (delta: 78.6MB). Free memory was 116.4MB in the beginning and 110.4MB in the end (delta: 6.0MB). Peak memory consumption was 132.7MB. Max. memory is 8.0GB. [2023-12-16 21:28:25,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 413.16ms. Allocated memory was 268.4MB in the beginning and 460.3MB in the end (delta: 191.9MB). Free memory was 110.4MB in the beginning and 260.4MB in the end (delta: -149.9MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2023-12-16 21:28:25,693 INFO L158 Benchmark]: Boogie Preprocessor took 545.64ms. Allocated memory is still 460.3MB. Free memory was 260.4MB in the beginning and 190.6MB in the end (delta: 69.7MB). Peak memory consumption was 70.3MB. Max. memory is 8.0GB. [2023-12-16 21:28:25,694 INFO L158 Benchmark]: RCFGBuilder took 71085.51ms. Allocated memory was 460.3MB in the beginning and 1.1GB in the end (delta: 644.9MB). Free memory was 190.6MB in the beginning and 810.0MB in the end (delta: -619.3MB). Peak memory consumption was 656.3MB. Max. memory is 8.0GB. [2023-12-16 21:28:25,694 INFO L158 Benchmark]: TraceAbstraction took 1894.92ms. Allocated memory was 1.1GB in the beginning and 1.3GB in the end (delta: 221.2MB). Free memory was 809.4MB in the beginning and 1.0GB in the end (delta: -230.5MB). Peak memory consumption was 29.0MB. Max. memory is 8.0GB. [2023-12-16 21:28:25,696 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 189.8MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1548.45ms. Allocated memory was 189.8MB in the beginning and 268.4MB in the end (delta: 78.6MB). Free memory was 116.4MB in the beginning and 110.4MB in the end (delta: 6.0MB). Peak memory consumption was 132.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 413.16ms. Allocated memory was 268.4MB in the beginning and 460.3MB in the end (delta: 191.9MB). Free memory was 110.4MB in the beginning and 260.4MB in the end (delta: -149.9MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 545.64ms. Allocated memory is still 460.3MB. Free memory was 260.4MB in the beginning and 190.6MB in the end (delta: 69.7MB). Peak memory consumption was 70.3MB. Max. memory is 8.0GB. * RCFGBuilder took 71085.51ms. Allocated memory was 460.3MB in the beginning and 1.1GB in the end (delta: 644.9MB). Free memory was 190.6MB in the beginning and 810.0MB in the end (delta: -619.3MB). Peak memory consumption was 656.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1894.92ms. Allocated memory was 1.1GB in the beginning and 1.3GB in the end (delta: 221.2MB). Free memory was 809.4MB in the beginning and 1.0GB in the end (delta: -230.5MB). Peak memory consumption was 29.0MB. 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: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 5 with TraceHistMax 1,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleMathsat [457029998] and IpTcStrategyModuleCvc4 [558277183]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 1, 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=8occurred 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