/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.arbitrated_top_n2_w64_d64_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-26 02:51:15,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-26 02:51:15,789 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-12-26 02:51:15,793 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-26 02:51:15,794 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-26 02:51:15,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-26 02:51:15,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-26 02:51:15,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-26 02:51:15,816 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-26 02:51:15,819 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-26 02:51:15,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-26 02:51:15,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-26 02:51:15,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-26 02:51:15,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-26 02:51:15,821 INFO L153 SettingsManager]: * Use SBE=true [2023-12-26 02:51:15,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-26 02:51:15,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-26 02:51:15,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-26 02:51:15,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-26 02:51:15,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-26 02:51:15,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-26 02:51:15,823 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-26 02:51:15,823 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-26 02:51:15,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-26 02:51:15,824 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-26 02:51:15,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-26 02:51:15,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-26 02:51:15,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-26 02:51:15,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-26 02:51:15,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-26 02:51:15,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-26 02:51:15,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 02:51:15,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-26 02:51:15,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-26 02:51:15,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-26 02:51:15,826 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-26 02:51:15,826 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-26 02:51:15,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-26 02:51:15,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-26 02:51:15,826 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-26 02:51:15,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-26 02:51:15,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-26 02:51:15,827 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-26 02:51:15,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-26 02:51:16,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-26 02:51:16,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-26 02:51:16,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-26 02:51:16,044 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-26 02:51:16,045 INFO L274 PluginConnector]: CDTParser initialized [2023-12-26 02:51:16,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d64_e0.c [2023-12-26 02:51:17,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-26 02:51:17,322 INFO L384 CDTParser]: Found 1 translation units. [2023-12-26 02:51:17,324 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d64_e0.c [2023-12-26 02:51:17,357 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd0eb35f/446828bc5fd44308857e6fa7c693237c/FLAG5f311257d [2023-12-26 02:51:17,371 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fd0eb35f/446828bc5fd44308857e6fa7c693237c [2023-12-26 02:51:17,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-26 02:51:17,374 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-26 02:51:17,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-26 02:51:17,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-26 02:51:17,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-26 02:51:17,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 02:51:17" (1/1) ... [2023-12-26 02:51:17,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dbafda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:17, skipping insertion in model container [2023-12-26 02:51:17,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 02:51:17" (1/1) ... [2023-12-26 02:51:17,468 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-26 02:51:17,650 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.arbitrated_top_n2_w64_d64_e0.c[1325,1338] [2023-12-26 02:51:18,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 02:51:18,103 INFO L202 MainTranslator]: Completed pre-run [2023-12-26 02:51:18,110 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.arbitrated_top_n2_w64_d64_e0.c[1325,1338] [2023-12-26 02:51:18,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 02:51:18,290 INFO L206 MainTranslator]: Completed translation [2023-12-26 02:51:18,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18 WrapperNode [2023-12-26 02:51:18,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-26 02:51:18,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-26 02:51:18,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-26 02:51:18,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-26 02:51:18,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,503 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5105 [2023-12-26 02:51:18,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-26 02:51:18,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-26 02:51:18,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-26 02:51:18,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-26 02:51:18,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,542 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,630 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]. [2023-12-26 02:51:18,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-26 02:51:18,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-26 02:51:18,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-26 02:51:18,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-26 02:51:18,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (1/1) ... [2023-12-26 02:51:18,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 02:51:18,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-26 02:51:18,767 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) [2023-12-26 02:51:18,788 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 [2023-12-26 02:51:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-26 02:51:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-26 02:51:18,794 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-26 02:51:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-26 02:51:18,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-26 02:51:18,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-26 02:51:19,391 INFO L241 CfgBuilder]: Building ICFG [2023-12-26 02:51:19,393 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-26 02:51:23,760 INFO L282 CfgBuilder]: Performing block encoding [2023-12-26 02:51:23,956 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-26 02:51:23,956 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-26 02:51:23,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 02:51:23 BoogieIcfgContainer [2023-12-26 02:51:23,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-26 02:51:23,958 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-26 02:51:23,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-26 02:51:23,961 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-26 02:51:23,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 02:51:17" (1/3) ... [2023-12-26 02:51:23,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65efb7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 02:51:23, skipping insertion in model container [2023-12-26 02:51:23,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:51:18" (2/3) ... [2023-12-26 02:51:23,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65efb7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 02:51:23, skipping insertion in model container [2023-12-26 02:51:23,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 02:51:23" (3/3) ... [2023-12-26 02:51:23,964 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w64_d64_e0.c [2023-12-26 02:51:23,975 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-26 02:51:23,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-26 02:51:24,015 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-26 02:51:24,021 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;@213db91c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-26 02:51:24,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-26 02:51:24,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-26 02:51:24,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-26 02:51:24,030 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 02:51:24,030 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-26 02:51:24,030 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 02:51:24,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 02:51:24,034 INFO L85 PathProgramCache]: Analyzing trace with hash 871459935, now seen corresponding path program 1 times [2023-12-26 02:51:24,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 02:51:24,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827233417] [2023-12-26 02:51:24,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 02:51:24,046 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 [2023-12-26 02:51:24,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 02:51:24,048 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) [2023-12-26 02:51:24,053 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 [2023-12-26 02:51:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 02:51:29,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 1993 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-26 02:51:29,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 02:51:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-26 02:51:29,340 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-26 02:51:29,340 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 02:51:29,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827233417] [2023-12-26 02:51:29,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827233417] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-26 02:51:29,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-26 02:51:29,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-26 02:51:29,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377505563] [2023-12-26 02:51:29,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-26 02:51:29,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-26 02:51:29,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 02:51:29,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-26 02:51:29,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-26 02:51:29,407 INFO L87 Difference]: Start difference. First operand has 26 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-26 02:51:30,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 02:51:30,448 INFO L93 Difference]: Finished difference Result 66 states and 109 transitions. [2023-12-26 02:51:30,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-26 02:51:30,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 46 [2023-12-26 02:51:30,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 02:51:30,454 INFO L225 Difference]: With dead ends: 66 [2023-12-26 02:51:30,454 INFO L226 Difference]: Without dead ends: 41 [2023-12-26 02:51:30,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-26 02:51:30,458 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 3 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-26 02:51:30,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 57 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-26 02:51:30,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-12-26 02:51:30,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2023-12-26 02:51:30,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.0416666666666667) internal successors, (25), 24 states have internal predecessors, (25), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-26 02:51:30,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2023-12-26 02:51:30,483 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 46 [2023-12-26 02:51:30,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 02:51:30,484 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2023-12-26 02:51:30,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-26 02:51:30,484 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-12-26 02:51:30,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-26 02:51:30,487 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 02:51:30,487 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-12-26 02:51:30,522 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 [2023-12-26 02:51:30,687 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 [2023-12-26 02:51:30,688 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 02:51:30,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 02:51:30,688 INFO L85 PathProgramCache]: Analyzing trace with hash 455665793, now seen corresponding path program 1 times [2023-12-26 02:51:30,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 02:51:30,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508511007] [2023-12-26 02:51:30,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 02:51:30,694 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 [2023-12-26 02:51:30,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 02:51:30,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-26 02:51:30,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-26 02:52:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 02:52:27,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 6028 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-26 02:52:27,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 02:52:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 12 proven. 43 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-26 02:52:28,669 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 02:52:28,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 02:52:28,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508511007] [2023-12-26 02:52:28,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508511007] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-26 02:52:28,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1441795742] [2023-12-26 02:52:28,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 02:52:28,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-26 02:52:28,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-26 02:52:28,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-26 02:52:28,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-26 02:52:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 02:52:34,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 6028 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-26 02:52:34,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 02:52:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 12 proven. 43 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-26 02:52:35,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 02:52:35,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1441795742] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-26 02:52:35,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-26 02:52:35,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-12-26 02:52:35,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941759095] [2023-12-26 02:52:35,523 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-26 02:52:35,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-26 02:52:35,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 02:52:35,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-26 02:52:35,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-12-26 02:52:35,525 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand has 13 states, 11 states have (on average 4.181818181818182) internal successors, (46), 13 states have internal predecessors, (46), 8 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) [2023-12-26 02:52:40,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 02:52:40,365 INFO L93 Difference]: Finished difference Result 60 states and 80 transitions. [2023-12-26 02:52:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-26 02:52:40,365 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 4.181818181818182) internal successors, (46), 13 states have internal predecessors, (46), 8 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) Word has length 91 [2023-12-26 02:52:40,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 02:52:40,366 INFO L225 Difference]: With dead ends: 60 [2023-12-26 02:52:40,366 INFO L226 Difference]: Without dead ends: 58 [2023-12-26 02:52:40,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2023-12-26 02:52:40,368 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 24 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-12-26 02:52:40,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 165 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-12-26 02:52:40,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-12-26 02:52:40,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2023-12-26 02:52:40,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.0294117647058822) internal successors, (35), 34 states have internal predecessors, (35), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-26 02:52:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 77 transitions. [2023-12-26 02:52:40,377 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 77 transitions. Word has length 91 [2023-12-26 02:52:40,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 02:52:40,378 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 77 transitions. [2023-12-26 02:52:40,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 4.181818181818182) internal successors, (46), 13 states have internal predecessors, (46), 8 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) [2023-12-26 02:52:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-12-26 02:52:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-26 02:52:40,381 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 02:52:40,381 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2023-12-26 02:52:40,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-26 02:52:40,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-26 02:52:40,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-26 02:52:40,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 02:52:40,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 02:52:40,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1949582433, now seen corresponding path program 2 times [2023-12-26 02:52:40,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 02:52:40,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210418912] [2023-12-26 02:52:40,804 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-26 02:52:40,804 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 [2023-12-26 02:52:40,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 02:52:40,805 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2023-12-26 02:52:40,836 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 (5)] Waiting until timeout for monitored process [2023-12-26 02:55:06,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-26 02:55:06,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-26 02:55:06,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 10063 conjuncts, 215 conjunts are in the unsatisfiable core [2023-12-26 02:55:06,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 02:55:27,936 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-12-26 02:55:27,936 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 02:55:29,153 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 02:55:29,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210418912] [2023-12-26 02:55:29,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1210418912] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-26 02:55:29,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1395778657] [2023-12-26 02:55:29,153 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-26 02:55:29,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-26 02:55:29,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-26 02:55:29,155 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-26 02:55:29,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-26 02:55:38,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-26 02:55:38,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-26 02:55:38,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 10063 conjuncts, 169 conjunts are in the unsatisfiable core [2023-12-26 02:55:38,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 02:55:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 132 proven. 121 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2023-12-26 02:55:42,621 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 02:55:43,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1395778657] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-26 02:55:43,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-26 02:55:43,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 17] total 33 [2023-12-26 02:55:43,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526254188] [2023-12-26 02:55:43,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-26 02:55:43,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-12-26 02:55:43,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 02:55:43,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-12-26 02:55:43,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=1094, Unknown=3, NotChecked=0, Total=1260 [2023-12-26 02:55:43,608 INFO L87 Difference]: Start difference. First operand 57 states and 77 transitions. Second operand has 33 states, 24 states have (on average 2.75) internal successors, (66), 31 states have internal predecessors, (66), 22 states have call successors, (42), 1 states have call predecessors, (42), 2 states have return successors, (42), 15 states have call predecessors, (42), 22 states have call successors, (42) [2023-12-26 02:55:49,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:55:53,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.61s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:55:57,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:55:59,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:56:03,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:56:07,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:56:11,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:56:15,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:56:19,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:56:28,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:56:42,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:56:44,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:56:48,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:57:18,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:57:20,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:57:24,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:57:28,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 02:57:54,979 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 [2023-12-26 02:57:54,979 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") [2023-12-26 02:57:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-26 02:57:54,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 55.7s TimeCoverageRelationStatistics Valid=344, Invalid=1809, Unknown=9, NotChecked=0, Total=2162 [2023-12-26 02:57:54,981 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 57 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 51 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.6s IncrementalHoareTripleChecker+Time [2023-12-26 02:57:54,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 208 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 482 Invalid, 12 Unknown, 0 Unchecked, 68.6s Time] [2023-12-26 02:57:55,143 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 (5)] Forceful destruction successful, exit code 0 [2023-12-26 02:57:55,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-26 02:57:55,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-26 02:57:55,383 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.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:86) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:950) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:789) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:377) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:247) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.returnSuccessors(AbstractInterpolantAutomaton.java:279) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.returnSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.returnSuccessors(TotalizeNwa.java:341) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.returnSuccessors(ComplementDeterministicNwa.java:142) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.returnSuccessors(ProductNwa.java:286) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.returnSuccessorsGivenHier(ProductNwa.java:310) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addReturnsAndSuccessors(NestedWordAutomatonReachableStates.java:1118) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.propagateNewDownStates(NestedWordAutomatonReachableStates.java:1201) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:989) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:182) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:353) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) 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) ... 49 more [2023-12-26 02:57:55,387 INFO L158 Benchmark]: Toolchain (without parser) took 398013.15ms. Allocated memory was 185.6MB in the beginning and 733.0MB in the end (delta: 547.4MB). Free memory was 130.9MB in the beginning and 333.6MB in the end (delta: -202.7MB). Peak memory consumption was 345.4MB. Max. memory is 8.0GB. [2023-12-26 02:57:55,387 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-26 02:57:55,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 915.46ms. Allocated memory is still 185.6MB. Free memory was 130.9MB in the beginning and 65.8MB in the end (delta: 65.1MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. [2023-12-26 02:57:55,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 211.29ms. Allocated memory was 185.6MB in the beginning and 263.2MB in the end (delta: 77.6MB). Free memory was 65.8MB in the beginning and 182.8MB in the end (delta: -116.9MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2023-12-26 02:57:55,388 INFO L158 Benchmark]: Boogie Preprocessor took 238.91ms. Allocated memory is still 263.2MB. Free memory was 182.8MB in the beginning and 159.7MB in the end (delta: 23.1MB). Peak memory consumption was 33.0MB. Max. memory is 8.0GB. [2023-12-26 02:57:55,388 INFO L158 Benchmark]: RCFGBuilder took 5213.43ms. Allocated memory was 263.2MB in the beginning and 508.6MB in the end (delta: 245.4MB). Free memory was 159.7MB in the beginning and 300.2MB in the end (delta: -140.5MB). Peak memory consumption was 282.1MB. Max. memory is 8.0GB. [2023-12-26 02:57:55,388 INFO L158 Benchmark]: TraceAbstraction took 391428.34ms. Allocated memory was 508.6MB in the beginning and 733.0MB in the end (delta: 224.4MB). Free memory was 299.7MB in the beginning and 333.6MB in the end (delta: -33.9MB). Peak memory consumption was 192.3MB. Max. memory is 8.0GB. [2023-12-26 02:57:55,390 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 185.6MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 915.46ms. Allocated memory is still 185.6MB. Free memory was 130.9MB in the beginning and 65.8MB in the end (delta: 65.1MB). Peak memory consumption was 71.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 211.29ms. Allocated memory was 185.6MB in the beginning and 263.2MB in the end (delta: 77.6MB). Free memory was 65.8MB in the beginning and 182.8MB in the end (delta: -116.9MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 238.91ms. Allocated memory is still 263.2MB. Free memory was 182.8MB in the beginning and 159.7MB in the end (delta: 23.1MB). Peak memory consumption was 33.0MB. Max. memory is 8.0GB. * RCFGBuilder took 5213.43ms. Allocated memory was 263.2MB in the beginning and 508.6MB in the end (delta: 245.4MB). Free memory was 159.7MB in the beginning and 300.2MB in the end (delta: -140.5MB). Peak memory consumption was 282.1MB. Max. memory is 8.0GB. * TraceAbstraction took 391428.34ms. Allocated memory was 508.6MB in the beginning and 733.0MB in the end (delta: 224.4MB). Free memory was 299.7MB in the beginning and 333.6MB in the end (delta: -33.9MB). Peak memory consumption was 192.3MB. 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...