/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.sw_ball2001.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 07:24:25,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 07:24:25,336 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 07:24:25,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 07:24:25,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 07:24:25,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 07:24:25,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 07:24:25,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 07:24:25,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 07:24:25,380 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 07:24:25,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 07:24:25,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 07:24:25,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 07:24:25,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 07:24:25,382 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 07:24:25,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 07:24:25,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 07:24:25,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 07:24:25,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 07:24:25,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 07:24:25,384 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 07:24:25,384 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 07:24:25,385 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 07:24:25,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 07:24:25,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 07:24:25,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 07:24:25,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 07:24:25,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 07:24:25,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 07:24:25,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 07:24:25,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 07:24:25,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 07:24:25,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 07:24:25,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 07:24:25,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 07:24:25,389 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 07:24:25,389 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 07:24:25,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 07:24:25,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 07:24:25,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 07:24:25,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 07:24:25,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 07:24:25,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 07:24:25,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 07:24:25,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 07:24:25,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 07:24:25,677 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 07:24:25,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.sw_ball2001.c [2024-11-06 07:24:27,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 07:24:27,575 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 07:24:27,575 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.sw_ball2001.c [2024-11-06 07:24:27,592 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7006b24ae/93ddb1e8939f4745938e92cb53477957/FLAG7b3ef098f [2024-11-06 07:24:27,921 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7006b24ae/93ddb1e8939f4745938e92cb53477957 [2024-11-06 07:24:27,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 07:24:27,925 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 07:24:27,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 07:24:27,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 07:24:27,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 07:24:27,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:24:27" (1/1) ... [2024-11-06 07:24:27,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363c6cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:27, skipping insertion in model container [2024-11-06 07:24:27,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:24:27" (1/1) ... [2024-11-06 07:24:27,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 07:24:28,190 WARN L250 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.sw_ball2001.c[1251,1264] [2024-11-06 07:24:28,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 07:24:28,376 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 07:24:28,387 WARN L250 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.sw_ball2001.c[1251,1264] [2024-11-06 07:24:28,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 07:24:28,515 INFO L204 MainTranslator]: Completed translation [2024-11-06 07:24:28,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28 WrapperNode [2024-11-06 07:24:28,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 07:24:28,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 07:24:28,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 07:24:28,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 07:24:28,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,560 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,613 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 652 [2024-11-06 07:24:28,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 07:24:28,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 07:24:28,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 07:24:28,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 07:24:28,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,647 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,675 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]. [2024-11-06 07:24:28,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 07:24:28,720 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 07:24:28,720 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 07:24:28,720 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 07:24:28,721 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (1/1) ... [2024-11-06 07:24:28,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 07:24:28,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 07:24:28,761 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) [2024-11-06 07:24:28,773 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 [2024-11-06 07:24:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 07:24:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 07:24:28,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 07:24:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 07:24:29,035 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 07:24:29,037 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 07:24:29,689 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-06 07:24:29,689 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 07:24:29,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 07:24:29,704 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 07:24:29,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:24:29 BoogieIcfgContainer [2024-11-06 07:24:29,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 07:24:29,708 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 07:24:29,709 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 07:24:29,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 07:24:29,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:24:27" (1/3) ... [2024-11-06 07:24:29,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82b7015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:24:29, skipping insertion in model container [2024-11-06 07:24:29,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:24:28" (2/3) ... [2024-11-06 07:24:29,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82b7015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:24:29, skipping insertion in model container [2024-11-06 07:24:29,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:24:29" (3/3) ... [2024-11-06 07:24:29,716 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_ball2001.c [2024-11-06 07:24:29,741 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 07:24:29,741 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 07:24:29,801 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 07:24:29,807 INFO L333 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, 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;@1ff3c8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 07:24:29,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 07:24:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-11-06 07:24:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-06 07:24:29,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 07:24:29,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-06 07:24:29,823 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 07:24:29,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 07:24:29,829 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-06 07:24:29,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 07:24:29,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724082251] [2024-11-06 07:24:29,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 07:24:29,844 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 [2024-11-06 07:24:29,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 07:24:29,848 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) [2024-11-06 07:24:29,851 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 [2024-11-06 07:24:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 07:24:30,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-06 07:24:30,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 07:24:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 07:24:30,278 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 07:24:30,280 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 07:24:30,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724082251] [2024-11-06 07:24:30,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724082251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 07:24:30,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 07:24:30,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 07:24:30,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013811466] [2024-11-06 07:24:30,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 07:24:30,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 07:24:30,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 07:24:30,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 07:24:30,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 07:24:30,319 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-06 07:24:30,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 07:24:30,374 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-06 07:24:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 07:24:30,377 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2024-11-06 07:24:30,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 07:24:30,384 INFO L225 Difference]: With dead ends: 18 [2024-11-06 07:24:30,384 INFO L226 Difference]: Without dead ends: 10 [2024-11-06 07:24:30,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-06 07:24:30,390 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 07:24:30,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 07:24:30,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-06 07:24:30,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-06 07:24:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-11-06 07:24:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-06 07:24:30,419 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-06 07:24:30,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 07:24:30,419 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-06 07:24:30,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-06 07:24:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-06 07:24:30,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-06 07:24:30,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 07:24:30,421 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-06 07:24:30,428 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 [2024-11-06 07:24:30,626 WARN L453 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 [2024-11-06 07:24:30,627 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 07:24:30,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 07:24:30,628 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-06 07:24:30,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 07:24:30,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [566272547] [2024-11-06 07:24:30,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 07:24:30,630 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 [2024-11-06 07:24:30,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 07:24:30,634 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) [2024-11-06 07:24:30,635 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 [2024-11-06 07:24:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 07:24:30,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-06 07:24:30,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 07:24:31,023 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 07:24:31,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 07:24:31,252 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 07:24:31,253 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 07:24:31,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [566272547] [2024-11-06 07:24:31,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [566272547] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 07:24:31,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 07:24:31,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-06 07:24:31,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858383817] [2024-11-06 07:24:31,254 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 07:24:31,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 07:24:31,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 07:24:31,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 07:24:31,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-06 07:24:31,256 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2024-11-06 07:24:31,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 07:24:31,330 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-06 07:24:31,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-06 07:24:31,331 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) Word has length 8 [2024-11-06 07:24:31,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 07:24:31,332 INFO L225 Difference]: With dead ends: 15 [2024-11-06 07:24:31,332 INFO L226 Difference]: Without dead ends: 13 [2024-11-06 07:24:31,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-06 07:24:31,333 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 07:24:31,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 11 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 07:24:31,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-06 07:24:31,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-06 07:24:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2024-11-06 07:24:31,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-06 07:24:31,338 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-06 07:24:31,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 07:24:31,339 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-06 07:24:31,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2024-11-06 07:24:31,339 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-06 07:24:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-06 07:24:31,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 07:24:31,340 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-06 07:24:31,346 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 (3)] Ended with exit code 0 [2024-11-06 07:24:31,540 WARN L453 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 [2024-11-06 07:24:31,541 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 07:24:31,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 07:24:31,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-06 07:24:31,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 07:24:31,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395178508] [2024-11-06 07:24:31,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 07:24:31,543 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 [2024-11-06 07:24:31,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 07:24:31,545 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) [2024-11-06 07:24:31,546 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 [2024-11-06 07:24:31,820 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-06 07:24:31,820 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 07:24:31,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-06 07:24:31,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 07:24:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 07:24:32,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 07:24:44,249 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 101 [2024-11-06 07:24:44,249 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-06 07:24:44,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 07:24:44,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395178508] [2024-11-06 07:24:44,251 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-06 07:24:44,256 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 [2024-11-06 07:24:44,452 WARN L453 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 [2024-11-06 07:24:44,453 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:842) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 45 more [2024-11-06 07:24:44,457 INFO L158 Benchmark]: Toolchain (without parser) took 16531.88ms. Allocated memory was 303.0MB in the beginning and 650.1MB in the end (delta: 347.1MB). Free memory was 250.7MB in the beginning and 491.8MB in the end (delta: -241.1MB). Peak memory consumption was 107.2MB. Max. memory is 8.0GB. [2024-11-06 07:24:44,457 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 187.7MB. Free memory was 138.8MB in the beginning and 138.6MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-06 07:24:44,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.70ms. Allocated memory is still 303.0MB. Free memory was 250.1MB in the beginning and 221.3MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2024-11-06 07:24:44,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.47ms. Allocated memory is still 303.0MB. Free memory was 221.3MB in the beginning and 215.5MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-11-06 07:24:44,458 INFO L158 Benchmark]: Boogie Preprocessor took 103.13ms. Allocated memory is still 303.0MB. Free memory was 215.5MB in the beginning and 208.7MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2024-11-06 07:24:44,458 INFO L158 Benchmark]: RCFGBuilder took 984.73ms. Allocated memory is still 303.0MB. Free memory was 208.7MB in the beginning and 125.4MB in the end (delta: 83.4MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. [2024-11-06 07:24:44,459 INFO L158 Benchmark]: TraceAbstraction took 14747.79ms. Allocated memory was 303.0MB in the beginning and 650.1MB in the end (delta: 347.1MB). Free memory was 124.3MB in the beginning and 491.8MB in the end (delta: -367.4MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-06 07:24:44,461 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 187.7MB. Free memory was 138.8MB in the beginning and 138.6MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 589.70ms. Allocated memory is still 303.0MB. Free memory was 250.1MB in the beginning and 221.3MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 94.47ms. Allocated memory is still 303.0MB. Free memory was 221.3MB in the beginning and 215.5MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 103.13ms. Allocated memory is still 303.0MB. Free memory was 215.5MB in the beginning and 208.7MB in the end (delta: 6.8MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * RCFGBuilder took 984.73ms. Allocated memory is still 303.0MB. Free memory was 208.7MB in the beginning and 125.4MB in the end (delta: 83.4MB). Peak memory consumption was 82.8MB. Max. memory is 8.0GB. * TraceAbstraction took 14747.79ms. Allocated memory was 303.0MB in the beginning and 650.1MB in the end (delta: 347.1MB). Free memory was 124.3MB in the beginning and 491.8MB in the end (delta: -367.4MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...