/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 14:06:06,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 14:06:06,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 14:06:06,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 14:06:06,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 14:06:06,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 14:06:06,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 14:06:06,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 14:06:06,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 14:06:06,304 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 14:06:06,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 14:06:06,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 14:06:06,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 14:06:06,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 14:06:06,306 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 14:06:06,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 14:06:06,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 14:06:06,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 14:06:06,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 14:06:06,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 14:06:06,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 14:06:06,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 14:06:06,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 14:06:06,311 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 14:06:06,311 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 14:06:06,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 14:06:06,311 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 14:06:06,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 14:06:06,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 14:06:06,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 14:06:06,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 14:06:06,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 14:06:06,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 14:06:06,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 14:06:06,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 14:06:06,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 14:06:06,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 14:06:06,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 14:06:06,314 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 14:06:06,314 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 14:06:06,315 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 14:06:06,315 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 14:06:06,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 14:06:06,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 14:06:06,316 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 14:06:06,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 14:06:06,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 14:06:06,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 14:06:06,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 14:06:06,548 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 14:06:06,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c [2024-11-03 14:06:07,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 14:06:08,013 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 14:06:08,013 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c [2024-11-03 14:06:08,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8f29a1fe/4a313189fb954646ae8472fd9bac2aca/FLAGc8be22d63 [2024-11-03 14:06:08,033 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8f29a1fe/4a313189fb954646ae8472fd9bac2aca [2024-11-03 14:06:08,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 14:06:08,036 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 14:06:08,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 14:06:08,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 14:06:08,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 14:06:08,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3666320e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08, skipping insertion in model container [2024-11-03 14:06:08,044 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 14:06:08,218 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c[1765,1778] [2024-11-03 14:06:08,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 14:06:08,234 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 14:06:08,253 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1231b.c[1765,1778] [2024-11-03 14:06:08,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 14:06:08,272 INFO L204 MainTranslator]: Completed translation [2024-11-03 14:06:08,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08 WrapperNode [2024-11-03 14:06:08,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 14:06:08,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 14:06:08,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 14:06:08,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 14:06:08,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,298 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-03 14:06:08,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 14:06:08,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 14:06:08,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 14:06:08,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 14:06:08,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,310 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,323 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-03 14:06:08,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 14:06:08,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 14:06:08,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 14:06:08,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 14:06:08,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (1/1) ... [2024-11-03 14:06:08,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 14:06:08,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 14:06:08,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 14:06:08,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 14:06:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 14:06:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-03 14:06:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-03 14:06:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 14:06:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 14:06:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 14:06:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2024-11-03 14:06:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2024-11-03 14:06:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-03 14:06:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-03 14:06:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 14:06:08,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 14:06:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 14:06:08,490 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 14:06:08,492 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 14:06:08,692 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-03 14:06:08,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 14:06:08,703 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 14:06:08,704 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-03 14:06:08,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:06:08 BoogieIcfgContainer [2024-11-03 14:06:08,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 14:06:08,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 14:06:08,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 14:06:08,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 14:06:08,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:06:08" (1/3) ... [2024-11-03 14:06:08,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e05573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:06:08, skipping insertion in model container [2024-11-03 14:06:08,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:06:08" (2/3) ... [2024-11-03 14:06:08,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e05573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:06:08, skipping insertion in model container [2024-11-03 14:06:08,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:06:08" (3/3) ... [2024-11-03 14:06:08,717 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1231b.c [2024-11-03 14:06:08,732 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 14:06:08,732 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 14:06:08,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 14:06:08,798 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ca1c8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 14:06:08,799 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 14:06:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 14:06:08,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-03 14:06:08,809 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:06:08,809 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:06:08,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:06:08,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:06:08,815 INFO L85 PathProgramCache]: Analyzing trace with hash -315010535, now seen corresponding path program 1 times [2024-11-03 14:06:08,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:06:08,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [396545279] [2024-11-03 14:06:08,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:06:08,827 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:06:08,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:06:08,830 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:06:08,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 14:06:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:06:08,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 14:06:08,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:06:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:06:08,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:06:08,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:06:08,951 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:06:08,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [396545279] [2024-11-03 14:06:08,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [396545279] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:06:08,953 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:06:08,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 14:06:08,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375365332] [2024-11-03 14:06:08,955 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:06:08,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 14:06:08,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:06:08,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 14:06:08,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 14:06:08,980 INFO L87 Difference]: Start difference. First operand has 25 states, 20 states have (on average 1.55) internal successors, (31), 21 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-03 14:06:08,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:06:08,999 INFO L93 Difference]: Finished difference Result 45 states and 65 transitions. [2024-11-03 14:06:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 14:06:09,001 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-03 14:06:09,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:06:09,008 INFO L225 Difference]: With dead ends: 45 [2024-11-03 14:06:09,008 INFO L226 Difference]: Without dead ends: 21 [2024-11-03 14:06:09,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 14:06:09,013 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 14:06:09,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 14:06:09,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-03 14:06:09,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-03 14:06:09,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 14:06:09,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2024-11-03 14:06:09,049 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 27 transitions. Word has length 14 [2024-11-03 14:06:09,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:06:09,049 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 27 transitions. [2024-11-03 14:06:09,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-03 14:06:09,051 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-03 14:06:09,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-03 14:06:09,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:06:09,052 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:06:09,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-03 14:06:09,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:06:09,253 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:06:09,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:06:09,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1327229704, now seen corresponding path program 1 times [2024-11-03 14:06:09,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:06:09,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862230836] [2024-11-03 14:06:09,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:06:09,255 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:06:09,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:06:09,257 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:06:09,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 14:06:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:06:09,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-03 14:06:09,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:06:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:06:09,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:06:09,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:06:09,423 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:06:09,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862230836] [2024-11-03 14:06:09,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [862230836] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:06:09,424 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:06:09,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-03 14:06:09,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322801795] [2024-11-03 14:06:09,428 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:06:09,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 14:06:09,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:06:09,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 14:06:09,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 14:06:09,430 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 14:06:09,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:06:09,475 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2024-11-03 14:06:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 14:06:09,476 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-03 14:06:09,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:06:09,478 INFO L225 Difference]: With dead ends: 31 [2024-11-03 14:06:09,478 INFO L226 Difference]: Without dead ends: 27 [2024-11-03 14:06:09,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-03 14:06:09,480 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 14:06:09,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 14:06:09,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-03 14:06:09,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2024-11-03 14:06:09,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-03 14:06:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 31 transitions. [2024-11-03 14:06:09,494 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 31 transitions. Word has length 15 [2024-11-03 14:06:09,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:06:09,495 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 31 transitions. [2024-11-03 14:06:09,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 14:06:09,495 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2024-11-03 14:06:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-03 14:06:09,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:06:09,496 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:06:09,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 14:06:09,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:06:09,697 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:06:09,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:06:09,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1957241665, now seen corresponding path program 1 times [2024-11-03 14:06:09,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:06:09,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602064980] [2024-11-03 14:06:09,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:06:09,699 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:06:09,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:06:09,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:06:09,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 14:06:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:06:09,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-03 14:06:09,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:06:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:06:10,740 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:06:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 14:06:12,119 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:06:12,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [602064980] [2024-11-03 14:06:12,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [602064980] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 14:06:12,119 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 14:06:12,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 17 [2024-11-03 14:06:12,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327769345] [2024-11-03 14:06:12,120 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 14:06:12,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-03 14:06:12,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 14:06:12,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-03 14:06:12,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-03 14:06:12,122 INFO L87 Difference]: Start difference. First operand 24 states and 31 transitions. Second operand has 17 states, 16 states have (on average 1.6875) internal successors, (27), 17 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 14:06:12,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 14:06:12,730 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2024-11-03 14:06:12,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 14:06:12,731 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.6875) internal successors, (27), 17 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-03 14:06:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 14:06:12,732 INFO L225 Difference]: With dead ends: 41 [2024-11-03 14:06:12,732 INFO L226 Difference]: Without dead ends: 23 [2024-11-03 14:06:12,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2024-11-03 14:06:12,734 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 30 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 14:06:12,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 55 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 14:06:12,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-03 14:06:12,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-03 14:06:12,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-03 14:06:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2024-11-03 14:06:12,739 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 18 [2024-11-03 14:06:12,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 14:06:12,739 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2024-11-03 14:06:12,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.6875) internal successors, (27), 17 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 14:06:12,740 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-03 14:06:12,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-03 14:06:12,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 14:06:12,741 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 14:06:12,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-03 14:06:12,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:06:12,943 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 14:06:12,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 14:06:12,944 INFO L85 PathProgramCache]: Analyzing trace with hash -147482436, now seen corresponding path program 1 times [2024-11-03 14:06:12,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 14:06:12,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1027045986] [2024-11-03 14:06:12,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 14:06:12,944 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 14:06:12,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:06:12,946 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 14:06:12,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-03 14:06:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 14:06:13,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-03 14:06:13,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 14:06:13,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-03 14:06:15,159 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v___fpclassify_double_~#ew_u~0.base_20| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_11| (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int#1| |v___fpclassify_double_~#ew_u~0.base_20|))) (and (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_11|) (select .cse0 (_ bv0 32))) (= (select .cse0 (_ bv4 32)) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_11|))))) is different from true [2024-11-03 14:06:17,619 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v___fpclassify_double_~#ew_u~0.base_21| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64))) (let ((.cse0 (select |c_#memory_int#1| |v___fpclassify_double_~#ew_u~0.base_21|))) (and (= (select .cse0 (_ bv4 32)) c___fpclassify_double_~msw~0) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |v___fpclassify_double_~#ew_u~0.base_21| (store (store (select |c_old(#memory_int#1)| |v___fpclassify_double_~#ew_u~0.base_21|) (_ bv0 32) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_12|)) (_ bv4 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|)))) (= c___fpclassify_double_~lsw~0 (select .cse0 (_ bv0 32))) (= |c___fpclassify_double_#in~x| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|)))))) is different from true [2024-11-03 14:06:17,724 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64))) (and (exists ((|v___fpclassify_double_~#ew_u~0.base_21| (_ BitVec 32))) (let ((.cse0 (select |c_#memory_int#1| |v___fpclassify_double_~#ew_u~0.base_21|))) (and (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |v___fpclassify_double_~#ew_u~0.base_21| (store (store (select |c_old(#memory_int#1)| |v___fpclassify_double_~#ew_u~0.base_21|) (_ bv0 32) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_12|)) (_ bv4 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|)))) (= (_ bv0 32) (select .cse0 (_ bv4 32))) (= (_ bv0 32) (select .cse0 (_ bv0 32)))))) (= |c___fpclassify_double_#in~x| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))))) (exists ((|v_skolemized_q#valueAsBitvector_12| (_ BitVec 64))) (and (= |c___fpclassify_double_#in~x| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_12|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_12|))) (exists ((|v___fpclassify_double_~#ew_u~0.base_21| (_ BitVec 32))) (let ((.cse1 (select |c_#memory_int#1| |v___fpclassify_double_~#ew_u~0.base_21|))) (and (= (_ bv0 32) (bvadd (_ bv2147483648 32) (select .cse1 (_ bv4 32)))) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |v___fpclassify_double_~#ew_u~0.base_21| (store (store (select |c_old(#memory_int#1)| |v___fpclassify_double_~#ew_u~0.base_21|) (_ bv0 32) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_12|)) (_ bv4 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_12|)))) (= (_ bv0 32) (select .cse1 (_ bv0 32))))))))) is different from true [2024-11-03 14:06:17,808 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-11-03 14:06:17,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 14:06:18,481 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 14:06:18,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1027045986] [2024-11-03 14:06:18,483 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-03 14:06:18,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-03 14:06:18,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 14:06:18,687 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Probably an infinite loop! at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtils.preprocessDualFiniteJunction(QuantifierPushUtils.java:124) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminateLight(PartialQuantifierElimination.java:62) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.constructQuantifiedFormula(TermDomainOperationProvider.java:112) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectUniversally(TermDomainOperationProvider.java:106) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectUniversally(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.weakestPreconditionReturn(PredicateTransformer.java:276) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:378) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-03 14:06:18,690 INFO L158 Benchmark]: Toolchain (without parser) took 10654.19ms. Allocated memory was 182.5MB in the beginning and 303.0MB in the end (delta: 120.6MB). Free memory was 152.4MB in the beginning and 260.4MB in the end (delta: -108.0MB). Peak memory consumption was 176.8MB. Max. memory is 8.0GB. [2024-11-03 14:06:18,691 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 14:06:18,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.60ms. Allocated memory is still 182.5MB. Free memory was 152.4MB in the beginning and 138.7MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 14:06:18,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.54ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 137.1MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-03 14:06:18,692 INFO L158 Benchmark]: Boogie Preprocessor took 43.64ms. Allocated memory is still 182.5MB. Free memory was 136.7MB in the beginning and 134.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 14:06:18,693 INFO L158 Benchmark]: RCFGBuilder took 361.58ms. Allocated memory is still 182.5MB. Free memory was 134.7MB in the beginning and 120.9MB in the end (delta: 13.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 14:06:18,694 INFO L158 Benchmark]: TraceAbstraction took 9980.81ms. Allocated memory was 182.5MB in the beginning and 303.0MB in the end (delta: 120.6MB). Free memory was 120.0MB in the beginning and 260.4MB in the end (delta: -140.3MB). Peak memory consumption was 144.3MB. Max. memory is 8.0GB. [2024-11-03 14:06:18,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 182.5MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 235.60ms. Allocated memory is still 182.5MB. Free memory was 152.4MB in the beginning and 138.7MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.54ms. Allocated memory is still 182.5MB. Free memory was 138.3MB in the beginning and 137.1MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.64ms. Allocated memory is still 182.5MB. Free memory was 136.7MB in the beginning and 134.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 361.58ms. Allocated memory is still 182.5MB. Free memory was 134.7MB in the beginning and 120.9MB in the end (delta: 13.8MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 9980.81ms. Allocated memory was 182.5MB in the beginning and 303.0MB in the end (delta: 120.6MB). Free memory was 120.0MB in the beginning and 260.4MB in the end (delta: -140.3MB). Peak memory consumption was 144.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Probably an infinite loop! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Probably an infinite loop!: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtils.preprocessDualFiniteJunction(QuantifierPushUtils.java:124) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-03 14:06:18,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...