/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 Internal_SMTInterpol -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 00:59:15,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 00:59:15,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 00:59:15,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 00:59:15,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 00:59:15,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 00:59:15,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 00:59:15,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 00:59:15,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 00:59:15,321 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 00:59:15,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 00:59:15,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 00:59:15,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 00:59:15,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 00:59:15,324 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 00:59:15,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 00:59:15,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 00:59:15,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 00:59:15,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 00:59:15,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 00:59:15,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 00:59:15,329 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 00:59:15,329 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 00:59:15,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 00:59:15,330 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 00:59:15,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 00:59:15,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 00:59:15,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 00:59:15,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 00:59:15,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 00:59:15,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 00:59:15,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 00:59:15,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 00:59:15,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 00:59:15,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 00:59:15,333 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 00:59:15,333 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 00:59:15,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 00:59:15,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 00:59:15,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 00:59:15,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 00:59:15,338 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 00:59:15,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol [2024-11-01 00:59:15,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 00:59:15,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 00:59:15,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 00:59:15,715 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 00:59:15,716 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 00:59:15,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c [2024-11-01 00:59:17,104 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 00:59:17,435 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 00:59:17,436 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c [2024-11-01 00:59:17,452 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a423ddefe/c44a784009e24e7f93eeb4c5e3d9908f/FLAGf65583246 [2024-11-01 00:59:17,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a423ddefe/c44a784009e24e7f93eeb4c5e3d9908f [2024-11-01 00:59:17,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 00:59:17,679 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 00:59:17,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 00:59:17,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 00:59:17,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 00:59:17,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:59:17" (1/1) ... [2024-11-01 00:59:17,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@214c3a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:17, skipping insertion in model container [2024-11-01 00:59:17,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 12:59:17" (1/1) ... [2024-11-01 00:59:17,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 00:59:17,985 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c[1247,1260] [2024-11-01 00:59:18,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 00:59:18,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 00:59:18,388 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_Vsa16.c[1247,1260] [2024-11-01 00:59:18,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 00:59:18,596 INFO L204 MainTranslator]: Completed translation [2024-11-01 00:59:18,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18 WrapperNode [2024-11-01 00:59:18,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 00:59:18,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 00:59:18,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 00:59:18,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 00:59:18,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:18,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:18,745 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 2537 [2024-11-01 00:59:18,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 00:59:18,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 00:59:18,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 00:59:18,748 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 00:59:18,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:18,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:18,779 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:18,883 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-01 00:59:18,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:18,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:18,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:18,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:18,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:18,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:19,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 00:59:19,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 00:59:19,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 00:59:19,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 00:59:19,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (1/1) ... [2024-11-01 00:59:19,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 00:59:19,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 00:59:19,037 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) [2024-11-01 00:59:19,042 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 [2024-11-01 00:59:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 00:59:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 00:59:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 00:59:19,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 00:59:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-01 00:59:19,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-01 00:59:19,507 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 00:59:19,509 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 00:59:22,218 INFO L? ?]: Removed 244 outVars from TransFormulas that were not future-live. [2024-11-01 00:59:22,218 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 00:59:22,229 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 00:59:22,229 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 00:59:22,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:59:22 BoogieIcfgContainer [2024-11-01 00:59:22,230 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 00:59:22,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 00:59:22,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 00:59:22,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 00:59:22,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 12:59:17" (1/3) ... [2024-11-01 00:59:22,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77094aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:59:22, skipping insertion in model container [2024-11-01 00:59:22,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 12:59:18" (2/3) ... [2024-11-01 00:59:22,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77094aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 12:59:22, skipping insertion in model container [2024-11-01 00:59:22,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 12:59:22" (3/3) ... [2024-11-01 00:59:22,239 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vsa16.c [2024-11-01 00:59:22,256 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 00:59:22,256 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 00:59:22,315 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 00:59:22,321 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;@1123a647, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 00:59:22,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 00:59:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-01 00:59:22,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-01 00:59:22,331 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 00:59:22,332 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-01 00:59:22,332 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 00:59:22,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 00:59:22,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1806584026, now seen corresponding path program 1 times [2024-11-01 00:59:22,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 00:59:22,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [242757646] [2024-11-01 00:59:22,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 00:59:22,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-01 00:59:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 00:59:28,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-01 00:59:28,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 00:59:29,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 00:59:29,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 00:59:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 00:59:29,435 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 00:59:29,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [242757646] [2024-11-01 00:59:29,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [242757646] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 00:59:29,436 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 00:59:29,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2024-11-01 00:59:29,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137960986] [2024-11-01 00:59:29,439 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 00:59:29,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 00:59:29,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 00:59:29,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 00:59:29,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-01 00:59:29,463 INFO L87 Difference]: Start difference. First operand has 20 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 10 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 00:59:29,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 00:59:29,826 INFO L93 Difference]: Finished difference Result 48 states and 70 transitions. [2024-11-01 00:59:29,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 00:59:29,829 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-01 00:59:29,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 00:59:29,835 INFO L225 Difference]: With dead ends: 48 [2024-11-01 00:59:29,835 INFO L226 Difference]: Without dead ends: 30 [2024-11-01 00:59:29,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-01 00:59:29,841 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-01 00:59:29,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 82 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-01 00:59:29,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-01 00:59:29,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 23. [2024-11-01 00:59:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 16 states have internal predecessors, (16), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-01 00:59:29,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-11-01 00:59:29,874 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 7 [2024-11-01 00:59:29,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 00:59:29,875 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-11-01 00:59:29,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 00:59:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-01 00:59:29,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-01 00:59:29,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 00:59:29,876 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 00:59:29,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-01 00:59:29,876 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 00:59:29,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 00:59:29,877 INFO L85 PathProgramCache]: Analyzing trace with hash -2036583178, now seen corresponding path program 1 times [2024-11-01 00:59:29,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 00:59:29,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017194102] [2024-11-01 00:59:29,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 00:59:29,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-01 00:59:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 00:59:34,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-01 00:59:34,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 00:59:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 00:59:34,313 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 00:59:34,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 00:59:34,761 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 00:59:34,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017194102] [2024-11-01 00:59:34,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1017194102] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-01 00:59:34,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-01 00:59:34,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2024-11-01 00:59:34,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452224738] [2024-11-01 00:59:34,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-01 00:59:34,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 00:59:34,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 00:59:34,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 00:59:34,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-01 00:59:34,766 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-01 00:59:39,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-01 00:59:44,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-01 00:59:50,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-01 00:59:55,775 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-01 00:59:55,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-01 00:59:55,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-11-01 00:59:55,778 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2024-11-01 00:59:55,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 59 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 3 Unknown, 0 Unchecked, 15.5s Time] [2024-11-01 00:59:55,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-01 00:59:55,780 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:177) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPostcondition(IncrementalHoareTripleChecker.java:665) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:269) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:385) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream Closed at java.base/java.io.FileOutputStream.writeBytes(Native Method) at java.base/java.io.FileOutputStream.write(FileOutputStream.java:354) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:175) ... 36 more [2024-11-01 00:59:55,784 INFO L158 Benchmark]: Toolchain (without parser) took 38104.62ms. Allocated memory was 191.9MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 142.7MB in the beginning and 485.1MB in the end (delta: -342.4MB). Peak memory consumption was 705.7MB. Max. memory is 8.0GB. [2024-11-01 00:59:55,784 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 191.9MB. Free memory is still 167.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 00:59:55,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 916.94ms. Allocated memory is still 191.9MB. Free memory was 142.2MB in the beginning and 154.9MB in the end (delta: -12.8MB). Peak memory consumption was 96.8MB. Max. memory is 8.0GB. [2024-11-01 00:59:55,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.45ms. Allocated memory is still 191.9MB. Free memory was 154.9MB in the beginning and 136.6MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-11-01 00:59:55,786 INFO L158 Benchmark]: Boogie Preprocessor took 258.91ms. Allocated memory was 191.9MB in the beginning and 295.7MB in the end (delta: 103.8MB). Free memory was 136.6MB in the beginning and 236.2MB in the end (delta: -99.5MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. [2024-11-01 00:59:55,786 INFO L158 Benchmark]: RCFGBuilder took 3222.73ms. Allocated memory was 295.7MB in the beginning and 428.9MB in the end (delta: 133.2MB). Free memory was 236.2MB in the beginning and 141.3MB in the end (delta: 94.8MB). Peak memory consumption was 245.4MB. Max. memory is 8.0GB. [2024-11-01 00:59:55,787 INFO L158 Benchmark]: TraceAbstraction took 33551.66ms. Allocated memory was 428.9MB in the beginning and 1.2GB in the end (delta: 810.5MB). Free memory was 140.8MB in the beginning and 485.1MB in the end (delta: -344.3MB). Peak memory consumption was 465.8MB. Max. memory is 8.0GB. [2024-11-01 00:59:55,792 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 191.9MB. Free memory is still 167.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 916.94ms. Allocated memory is still 191.9MB. Free memory was 142.2MB in the beginning and 154.9MB in the end (delta: -12.8MB). Peak memory consumption was 96.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 148.45ms. Allocated memory is still 191.9MB. Free memory was 154.9MB in the beginning and 136.6MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 258.91ms. Allocated memory was 191.9MB in the beginning and 295.7MB in the end (delta: 103.8MB). Free memory was 136.6MB in the beginning and 236.2MB in the end (delta: -99.5MB). Peak memory consumption was 22.5MB. Max. memory is 8.0GB. * RCFGBuilder took 3222.73ms. Allocated memory was 295.7MB in the beginning and 428.9MB in the end (delta: 133.2MB). Free memory was 236.2MB in the beginning and 141.3MB in the end (delta: 94.8MB). Peak memory consumption was 245.4MB. Max. memory is 8.0GB. * TraceAbstraction took 33551.66ms. Allocated memory was 428.9MB in the beginning and 1.2GB in the end (delta: 810.5MB). Free memory was 140.8MB in the beginning and 485.1MB in the end (delta: -344.3MB). Peak memory consumption was 465.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:337) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...