/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.needham.1.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 01:18:11,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 01:18:11,211 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 01:18:11,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 01:18:11,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 01:18:11,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 01:18:11,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 01:18:11,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 01:18:11,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 01:18:11,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 01:18:11,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 01:18:11,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 01:18:11,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 01:18:11,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 01:18:11,249 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 01:18:11,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 01:18:11,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 01:18:11,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 01:18:11,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 01:18:11,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 01:18:11,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 01:18:11,254 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 01:18:11,255 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 01:18:11,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 01:18:11,255 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 01:18:11,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 01:18:11,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 01:18:11,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 01:18:11,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 01:18:11,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 01:18:11,256 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 01:18:11,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 01:18:11,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 01:18:11,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 01:18:11,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 01:18:11,257 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 01:18:11,257 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 01:18:11,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 01:18:11,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 01:18:11,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 01:18:11,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 01:18:11,260 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 01:18:11,260 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol [2024-11-01 01:18:11,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 01:18:11,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 01:18:11,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 01:18:11,567 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 01:18:11,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 01:18:11,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2024-11-01 01:18:12,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 01:18:13,267 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 01:18:13,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.needham.1.prop1-func-interl.c [2024-11-01 01:18:13,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b5365a5/f9319e511d7b4fd5ba8a38874cd3758e/FLAGf66697483 [2024-11-01 01:18:13,293 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9b5365a5/f9319e511d7b4fd5ba8a38874cd3758e [2024-11-01 01:18:13,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 01:18:13,296 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 01:18:13,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 01:18:13,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 01:18:13,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 01:18:13,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:13,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df7a95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13, skipping insertion in model container [2024-11-01 01:18:13,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:13,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 01:18:13,518 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.needham.1.prop1-func-interl.c[1174,1187] [2024-11-01 01:18:13,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 01:18:13,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 01:18:13,815 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.needham.1.prop1-func-interl.c[1174,1187] [2024-11-01 01:18:13,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 01:18:13,990 INFO L204 MainTranslator]: Completed translation [2024-11-01 01:18:13,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13 WrapperNode [2024-11-01 01:18:13,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 01:18:13,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 01:18:13,992 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 01:18:13,992 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 01:18:13,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,160 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2788 [2024-11-01 01:18:14,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 01:18:14,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 01:18:14,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 01:18:14,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 01:18:14,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,186 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,238 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 01:18:14,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 01:18:14,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 01:18:14,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 01:18:14,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 01:18:14,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (1/1) ... [2024-11-01 01:18:14,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 01:18:14,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 01:18:14,380 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 01:18:14,386 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 01:18:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 01:18:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 01:18:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 01:18:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 01:18:14,782 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 01:18:14,784 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 01:18:19,582 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2024-11-01 01:18:19,583 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 01:18:19,592 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 01:18:19,593 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 01:18:19,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 01:18:19 BoogieIcfgContainer [2024-11-01 01:18:19,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 01:18:19,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 01:18:19,595 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 01:18:19,598 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 01:18:19,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 01:18:13" (1/3) ... [2024-11-01 01:18:19,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1973e085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 01:18:19, skipping insertion in model container [2024-11-01 01:18:19,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:13" (2/3) ... [2024-11-01 01:18:19,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1973e085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 01:18:19, skipping insertion in model container [2024-11-01 01:18:19,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 01:18:19" (3/3) ... [2024-11-01 01:18:19,600 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.needham.1.prop1-func-interl.c [2024-11-01 01:18:19,611 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 01:18:19,611 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 01:18:19,652 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 01:18:19,657 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;@8ebe652, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 01:18:19,657 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 01:18:19,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 01:18:19,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 01:18:19,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 01:18:19,663 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 01:18:19,664 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 01:18:19,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 01:18:19,667 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 01:18:19,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 01:18:19,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1502675830] [2024-11-01 01:18:19,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 01:18:19,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-01 01:18:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 01:18:46,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-01 01:18:46,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 01:18:47,101 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 01:18:47,102 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 01:18:50,656 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 01:18:50,657 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 01:18:50,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1502675830] [2024-11-01 01:18:50,657 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-01 01:18:50,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-01 01:18:50,658 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 44 more [2024-11-01 01:18:50,664 INFO L158 Benchmark]: Toolchain (without parser) took 37367.31ms. Allocated memory was 225.4MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 196.2MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 152.5MB. Max. memory is 8.0GB. [2024-11-01 01:18:50,664 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 225.4MB. Free memory is still 201.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 01:18:50,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.09ms. Allocated memory was 225.4MB in the beginning and 331.4MB in the end (delta: 105.9MB). Free memory was 196.2MB in the beginning and 287.9MB in the end (delta: -91.7MB). Peak memory consumption was 99.7MB. Max. memory is 8.0GB. [2024-11-01 01:18:50,665 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.72ms. Allocated memory is still 331.4MB. Free memory was 287.9MB in the beginning and 278.7MB in the end (delta: 9.2MB). Peak memory consumption was 23.4MB. Max. memory is 8.0GB. [2024-11-01 01:18:50,671 INFO L158 Benchmark]: Boogie Preprocessor took 177.19ms. Allocated memory is still 331.4MB. Free memory was 278.7MB in the beginning and 254.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2024-11-01 01:18:50,672 INFO L158 Benchmark]: RCFGBuilder took 5253.54ms. Allocated memory was 331.4MB in the beginning and 600.8MB in the end (delta: 269.5MB). Free memory was 254.1MB in the beginning and 534.0MB in the end (delta: -280.0MB). Peak memory consumption was 338.7MB. Max. memory is 8.0GB. [2024-11-01 01:18:50,672 INFO L158 Benchmark]: TraceAbstraction took 31067.30ms. Allocated memory was 600.8MB in the beginning and 1.5GB in the end (delta: 936.4MB). Free memory was 533.0MB in the beginning and 1.4GB in the end (delta: -824.1MB). Peak memory consumption was 112.3MB. Max. memory is 8.0GB. [2024-11-01 01:18:50,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2024-11-01 01:18:50,679 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 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 225.4MB. Free memory is still 201.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 694.09ms. Allocated memory was 225.4MB in the beginning and 331.4MB in the end (delta: 105.9MB). Free memory was 196.2MB in the beginning and 287.9MB in the end (delta: -91.7MB). Peak memory consumption was 99.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 168.72ms. Allocated memory is still 331.4MB. Free memory was 287.9MB in the beginning and 278.7MB in the end (delta: 9.2MB). Peak memory consumption was 23.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 177.19ms. Allocated memory is still 331.4MB. Free memory was 278.7MB in the beginning and 254.1MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * RCFGBuilder took 5253.54ms. Allocated memory was 331.4MB in the beginning and 600.8MB in the end (delta: 269.5MB). Free memory was 254.1MB in the beginning and 534.0MB in the end (delta: -280.0MB). Peak memory consumption was 338.7MB. Max. memory is 8.0GB. * TraceAbstraction took 31067.30ms. Allocated memory was 600.8MB in the beginning and 1.5GB in the end (delta: 936.4MB). Free memory was 533.0MB in the beginning and 1.4GB in the end (delta: -824.1MB). Peak memory consumption was 112.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...