/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-22.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 12:54:55,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 12:54:55,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 12:54:55,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 12:54:55,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 12:54:55,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 12:54:55,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 12:54:55,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 12:54:55,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 12:54:55,670 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 12:54:55,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 12:54:55,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 12:54:55,677 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 12:54:55,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 12:54:55,678 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 12:54:55,678 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 12:54:55,678 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 12:54:55,686 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 12:54:55,686 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 12:54:55,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 12:54:55,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 12:54:55,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 12:54:55,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 12:54:55,695 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 12:54:55,695 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 12:54:55,695 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 12:54:55,695 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 12:54:55,713 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 12:54:55,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 12:54:55,714 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 12:54:55,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 12:54:55,715 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 12:54:55,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 12:54:55,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 12:54:55,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:54:55,723 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 12:54:55,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 12:54:55,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 12:54:55,732 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 12:54:55,732 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 12:54:55,741 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 12:54:55,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 12:54:55,742 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 12:54:55,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 12:54:55,750 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 12:54:55,751 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 12:54:55,751 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 12:54:55,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 12:54:55,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 12:54:55,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 12:54:55,958 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 12:54:55,958 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 12:54:55,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-22.i [2023-12-16 12:54:57,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 12:54:57,361 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 12:54:57,361 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-22.i [2023-12-16 12:54:57,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52cb7cf4/9526bf7a69aa42d99edac847a626ba37/FLAG3ee0072ad [2023-12-16 12:54:57,378 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c52cb7cf4/9526bf7a69aa42d99edac847a626ba37 [2023-12-16 12:54:57,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 12:54:57,381 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 12:54:57,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 12:54:57,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 12:54:57,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 12:54:57,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce97ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57, skipping insertion in model container [2023-12-16 12:54:57,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,415 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 12:54:57,526 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-22.i[919,932] [2023-12-16 12:54:57,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:54:57,602 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 12:54:57,612 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-22.i[919,932] [2023-12-16 12:54:57,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 12:54:57,660 INFO L206 MainTranslator]: Completed translation [2023-12-16 12:54:57,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57 WrapperNode [2023-12-16 12:54:57,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 12:54:57,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 12:54:57,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 12:54:57,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 12:54:57,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,698 INFO L138 Inliner]: procedures = 27, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2023-12-16 12:54:57,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 12:54:57,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 12:54:57,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 12:54:57,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 12:54:57,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,732 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 12:54:57,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 12:54:57,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 12:54:57,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 12:54:57,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 12:54:57,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (1/1) ... [2023-12-16 12:54:57,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 12:54:57,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 12:54:57,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 12:54:57,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 12:54:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 12:54:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 12:54:57,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 12:54:57,821 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 12:54:57,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 12:54:57,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 12:54:57,915 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 12:54:57,916 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 12:55:09,952 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 12:55:09,987 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 12:55:09,987 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 12:55:09,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:55:09 BoogieIcfgContainer [2023-12-16 12:55:09,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 12:55:09,989 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 12:55:09,989 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 12:55:09,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 12:55:09,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 12:54:57" (1/3) ... [2023-12-16 12:55:09,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f75ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:55:09, skipping insertion in model container [2023-12-16 12:55:09,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 12:54:57" (2/3) ... [2023-12-16 12:55:09,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58f75ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 12:55:09, skipping insertion in model container [2023-12-16 12:55:09,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 12:55:09" (3/3) ... [2023-12-16 12:55:10,000 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-22.i [2023-12-16 12:55:10,011 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 12:55:10,011 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 12:55:10,041 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 12:55:10,045 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;@59cf38ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 12:55:10,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 12:55:10,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 53 states have internal predecessors, (74), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-16 12:55:10,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-12-16 12:55:10,068 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:55:10,069 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:55:10,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:55:10,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:55:10,073 INFO L85 PathProgramCache]: Analyzing trace with hash -169338011, now seen corresponding path program 1 times [2023-12-16 12:55:10,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:55:10,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1386111542] [2023-12-16 12:55:10,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:55:10,093 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:55:10,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:55:10,098 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 12:55:10,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-16 12:55:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:55:11,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 12:55:11,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:55:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 1274 proven. 0 refuted. 0 times theorem prover too weak. 1538 trivial. 0 not checked. [2023-12-16 12:55:11,105 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:55:11,105 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:55:11,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1386111542] [2023-12-16 12:55:11,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1386111542] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:55:11,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:55:11,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 12:55:11,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015263887] [2023-12-16 12:55:11,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:55:11,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 12:55:11,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:55:11,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 12:55:11,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 12:55:11,140 INFO L87 Difference]: Start difference. First operand has 93 states, 52 states have (on average 1.4230769230769231) internal successors, (74), 53 states have internal predecessors, (74), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-12-16 12:55:15,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:55:15,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:55:15,867 INFO L93 Difference]: Finished difference Result 180 states and 330 transitions. [2023-12-16 12:55:16,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 12:55:16,109 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 232 [2023-12-16 12:55:16,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:55:16,115 INFO L225 Difference]: With dead ends: 180 [2023-12-16 12:55:16,115 INFO L226 Difference]: Without dead ends: 88 [2023-12-16 12:55:16,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 12:55:16,120 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-16 12:55:16,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-12-16 12:55:16,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-16 12:55:16,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-12-16 12:55:16,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-12-16 12:55:16,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 135 transitions. [2023-12-16 12:55:16,153 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 135 transitions. Word has length 232 [2023-12-16 12:55:16,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:55:16,153 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 135 transitions. [2023-12-16 12:55:16,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2023-12-16 12:55:16,153 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 135 transitions. [2023-12-16 12:55:16,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-12-16 12:55:16,173 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:55:16,173 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:55:16,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-16 12:55:16,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:55:16,374 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:55:16,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:55:16,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1917940827, now seen corresponding path program 1 times [2023-12-16 12:55:16,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:55:16,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [720798000] [2023-12-16 12:55:16,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:55:16,376 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:55:16,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:55:16,378 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) [2023-12-16 12:55:16,384 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 [2023-12-16 12:55:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:55:17,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 12:55:17,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:55:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-12-16 12:55:24,011 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:55:24,011 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:55:24,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [720798000] [2023-12-16 12:55:24,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [720798000] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:55:24,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:55:24,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 12:55:24,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205525186] [2023-12-16 12:55:24,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:55:24,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 12:55:24,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:55:24,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 12:55:24,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 12:55:24,015 INFO L87 Difference]: Start difference. First operand 88 states and 135 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-16 12:55:28,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:55:32,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:55:33,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:55:33,057 INFO L93 Difference]: Finished difference Result 251 states and 389 transitions. [2023-12-16 12:55:33,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 12:55:33,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 232 [2023-12-16 12:55:33,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:55:33,061 INFO L225 Difference]: With dead ends: 251 [2023-12-16 12:55:33,061 INFO L226 Difference]: Without dead ends: 164 [2023-12-16 12:55:33,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 12:55:33,063 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 15 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-12-16 12:55:33,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 255 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2023-12-16 12:55:33,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-12-16 12:55:33,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 155. [2023-12-16 12:55:33,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 76 states have (on average 1.144736842105263) internal successors, (87), 76 states have internal predecessors, (87), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-12-16 12:55:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 239 transitions. [2023-12-16 12:55:33,084 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 239 transitions. Word has length 232 [2023-12-16 12:55:33,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:55:33,085 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 239 transitions. [2023-12-16 12:55:33,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-16 12:55:33,085 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 239 transitions. [2023-12-16 12:55:33,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-12-16 12:55:33,088 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:55:33,088 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:55:33,111 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 [2023-12-16 12:55:33,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:55:33,309 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:55:33,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:55:33,309 INFO L85 PathProgramCache]: Analyzing trace with hash 788678567, now seen corresponding path program 1 times [2023-12-16 12:55:33,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:55:33,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1946202918] [2023-12-16 12:55:33,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:55:33,310 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:55:33,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:55:33,319 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 12:55:33,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 12:55:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:55:34,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 12:55:34,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:55:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-12-16 12:55:40,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:55:40,513 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:55:40,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1946202918] [2023-12-16 12:55:40,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1946202918] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:55:40,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:55:40,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 12:55:40,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72066372] [2023-12-16 12:55:40,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:55:40,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 12:55:40,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:55:40,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 12:55:40,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 12:55:40,515 INFO L87 Difference]: Start difference. First operand 155 states and 239 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-16 12:55:45,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:55:49,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:55:53,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:55:58,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:56:02,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:56:06,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:56:06,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:56:06,499 INFO L93 Difference]: Finished difference Result 329 states and 507 transitions. [2023-12-16 12:56:06,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 12:56:06,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 232 [2023-12-16 12:56:06,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 12:56:06,506 INFO L225 Difference]: With dead ends: 329 [2023-12-16 12:56:06,506 INFO L226 Difference]: Without dead ends: 242 [2023-12-16 12:56:06,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 12:56:06,509 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 27 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2023-12-16 12:56:06,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 262 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 6 Unknown, 0 Unchecked, 25.9s Time] [2023-12-16 12:56:06,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-12-16 12:56:06,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 240. [2023-12-16 12:56:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 122 states have (on average 1.1721311475409837) internal successors, (143), 122 states have internal predecessors, (143), 114 states have call successors, (114), 3 states have call predecessors, (114), 3 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2023-12-16 12:56:06,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 371 transitions. [2023-12-16 12:56:06,551 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 371 transitions. Word has length 232 [2023-12-16 12:56:06,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 12:56:06,551 INFO L495 AbstractCegarLoop]: Abstraction has 240 states and 371 transitions. [2023-12-16 12:56:06,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-16 12:56:06,552 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 371 transitions. [2023-12-16 12:56:06,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-12-16 12:56:06,554 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 12:56:06,554 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 12:56:06,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 12:56:06,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:56:06,776 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 12:56:06,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 12:56:06,777 INFO L85 PathProgramCache]: Analyzing trace with hash -933365860, now seen corresponding path program 1 times [2023-12-16 12:56:06,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 12:56:06,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817834793] [2023-12-16 12:56:06,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 12:56:06,778 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 12:56:06,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 12:56:06,779 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) [2023-12-16 12:56:06,781 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 [2023-12-16 12:56:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 12:56:07,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 12:56:07,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 12:56:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2023-12-16 12:56:10,742 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 12:56:10,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 12:56:10,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817834793] [2023-12-16 12:56:10,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1817834793] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 12:56:10,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 12:56:10,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 12:56:10,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034963215] [2023-12-16 12:56:10,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 12:56:10,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 12:56:10,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 12:56:10,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 12:56:10,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 12:56:10,744 INFO L87 Difference]: Start difference. First operand 240 states and 371 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2023-12-16 12:56:15,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 12:56:15,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 12:56:15,736 INFO L93 Difference]: Finished difference Result 412 states and 637 transitions. Received shutdown request... [2023-12-16 12:56:15,954 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 12:56:15,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 12:56:15,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 233 [2023-12-16 12:56:15,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 12:56:15,987 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 82 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 78 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-16 12:56:15,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 129 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2023-12-16 12:56:15,992 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 12:56:15,998 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 12:56:16,013 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 (5)] Ended with exit code 0 [2023-12-16 12:56:16,205 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 [2023-12-16 12:56:16,205 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Accepts. [2023-12-16 12:56:16,209 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 12:56:16,210 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 12:56:16,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 12:56:16 BoogieIcfgContainer [2023-12-16 12:56:16,212 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 12:56:16,212 INFO L158 Benchmark]: Toolchain (without parser) took 78831.75ms. Allocated memory is still 196.1MB. Free memory was 151.1MB in the beginning and 91.2MB in the end (delta: 59.9MB). Peak memory consumption was 61.1MB. Max. memory is 8.0GB. [2023-12-16 12:56:16,212 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 196.1MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 12:56:16,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.58ms. Allocated memory is still 196.1MB. Free memory was 150.8MB in the beginning and 134.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-16 12:56:16,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.90ms. Allocated memory is still 196.1MB. Free memory was 134.3MB in the beginning and 131.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-16 12:56:16,213 INFO L158 Benchmark]: Boogie Preprocessor took 48.32ms. Allocated memory is still 196.1MB. Free memory was 131.2MB in the beginning and 127.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 12:56:16,213 INFO L158 Benchmark]: RCFGBuilder took 12239.81ms. Allocated memory is still 196.1MB. Free memory was 127.3MB in the beginning and 155.2MB in the end (delta: -27.8MB). Peak memory consumption was 20.2MB. Max. memory is 8.0GB. [2023-12-16 12:56:16,213 INFO L158 Benchmark]: TraceAbstraction took 66223.05ms. Allocated memory is still 196.1MB. Free memory was 154.6MB in the beginning and 91.2MB in the end (delta: 63.4MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. [2023-12-16 12:56:16,214 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02ms. Allocated memory is still 196.1MB. Free memory is still 153.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 279.58ms. Allocated memory is still 196.1MB. Free memory was 150.8MB in the beginning and 134.3MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.90ms. Allocated memory is still 196.1MB. Free memory was 134.3MB in the beginning and 131.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.32ms. Allocated memory is still 196.1MB. Free memory was 131.2MB in the beginning and 127.3MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 12239.81ms. Allocated memory is still 196.1MB. Free memory was 127.3MB in the beginning and 155.2MB in the end (delta: -27.8MB). Peak memory consumption was 20.2MB. Max. memory is 8.0GB. * TraceAbstraction took 66223.05ms. Allocated memory is still 196.1MB. Free memory was 154.6MB in the beginning and 91.2MB in the end (delta: 63.4MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while executing Accepts. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 66.2s, OverallIterations: 4, TraceHistogramMax: 38, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 45.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 44.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 778 SdHoareTripleChecker+Invalid, 43.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 252 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 526 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 926 GetRequests, 921 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=240occurred in iteration=3, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 929 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 925 ConstructedInterpolants, 0 QuantifiedInterpolants, 3949 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1492 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 11248/11248 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown