/root/.sdkman/candidates/java/11.0.12-open/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 18:20:13,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 18:20:13,079 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-15 18:20:13,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 18:20:13,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 18:20:13,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 18:20:13,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 18:20:13,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 18:20:13,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 18:20:13,107 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 18:20:13,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 18:20:13,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 18:20:13,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 18:20:13,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 18:20:13,107 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 18:20:13,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 18:20:13,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 18:20:13,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 18:20:13,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 18:20:13,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 18:20:13,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 18:20:13,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 18:20:13,110 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 18:20:13,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 18:20:13,110 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 18:20:13,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 18:20:13,110 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 18:20:13,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 18:20:13,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 18:20:13,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 18:20:13,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 18:20:13,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 18:20:13,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 18:20:13,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 18:20:13,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 18:20:13,112 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 18:20:13,112 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 18:20:13,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 18:20:13,112 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 18:20:13,112 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 18:20:13,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 18:20:13,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 18:20:13,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 18:20:13,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 18:20:13,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 18:20:13,351 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 18:20:13,351 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 18:20:13,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c [2024-11-15 18:20:14,599 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 18:20:14,798 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 18:20:14,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.protocols.3.prop1-func-interl.c [2024-11-15 18:20:14,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9cdcea4/5eb0738c4717416fb4c2c065ea77b14f/FLAGb24709c99 [2024-11-15 18:20:14,830 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc9cdcea4/5eb0738c4717416fb4c2c065ea77b14f [2024-11-15 18:20:14,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 18:20:14,834 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 18:20:14,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 18:20:14,834 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 18:20:14,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 18:20:14,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 06:20:14" (1/1) ... [2024-11-15 18:20:14,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ede43b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:14, skipping insertion in model container [2024-11-15 18:20:14,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 06:20:14" (1/1) ... [2024-11-15 18:20:14,887 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 18:20:15,048 WARN L250 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.protocols.3.prop1-func-interl.c[1176,1189] [2024-11-15 18:20:15,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 18:20:15,291 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 18:20:15,301 WARN L250 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.protocols.3.prop1-func-interl.c[1176,1189] [2024-11-15 18:20:15,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 18:20:15,394 INFO L204 MainTranslator]: Completed translation [2024-11-15 18:20:15,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15 WrapperNode [2024-11-15 18:20:15,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 18:20:15,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 18:20:15,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 18:20:15,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 18:20:15,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,495 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1375 [2024-11-15 18:20:15,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 18:20:15,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 18:20:15,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 18:20:15,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 18:20:15,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,553 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]. [2024-11-15 18:20:15,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 18:20:15,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 18:20:15,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 18:20:15,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 18:20:15,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (1/1) ... [2024-11-15 18:20:15,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 18:20:15,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 18:20:15,652 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) [2024-11-15 18:20:15,654 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 [2024-11-15 18:20:15,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 18:20:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 18:20:15,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 18:20:15,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 18:20:15,887 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 18:20:15,889 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 18:20:16,778 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-15 18:20:16,779 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 18:20:16,788 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 18:20:16,789 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-15 18:20:16,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 06:20:16 BoogieIcfgContainer [2024-11-15 18:20:16,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 18:20:16,792 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 18:20:16,792 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 18:20:16,795 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 18:20:16,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 06:20:14" (1/3) ... [2024-11-15 18:20:16,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4542c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 06:20:16, skipping insertion in model container [2024-11-15 18:20:16,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:20:15" (2/3) ... [2024-11-15 18:20:16,796 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4542c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 06:20:16, skipping insertion in model container [2024-11-15 18:20:16,796 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 06:20:16" (3/3) ... [2024-11-15 18:20:16,797 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.protocols.3.prop1-func-interl.c [2024-11-15 18:20:16,810 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 18:20:16,810 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 18:20:16,855 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 18:20:16,860 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;@19fd11c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 18:20:16,860 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 18:20:16,864 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) [2024-11-15 18:20:16,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-15 18:20:16,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 18:20:16,869 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-15 18:20:16,870 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 18:20:16,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 18:20:16,874 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-15 18:20:16,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 18:20:16,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517327507] [2024-11-15 18:20:16,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 18:20:16,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 18:20:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 18:20:34,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 18:20:34,514 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 5269 column 45: unknown constant nat2bv (Int) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) 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) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:147) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:584) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140) 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.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.postprocessInterpolant(NestedInterpolantsBuilder.java:449) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.buildPredicates(NestedInterpolantsBuilder.java:392) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:290) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:225) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) 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) [2024-11-15 18:20:34,518 INFO L158 Benchmark]: Toolchain (without parser) took 19683.50ms. Allocated memory was 261.1MB in the beginning and 1.2GB in the end (delta: 903.9MB). Free memory was 191.1MB in the beginning and 964.9MB in the end (delta: -773.8MB). Peak memory consumption was 696.6MB. Max. memory is 8.0GB. [2024-11-15 18:20:34,518 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 261.1MB. Free memory is still 229.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 18:20:34,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 561.41ms. Allocated memory is still 261.1MB. Free memory was 190.9MB in the beginning and 211.0MB in the end (delta: -20.1MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2024-11-15 18:20:34,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.53ms. Allocated memory is still 261.1MB. Free memory was 211.0MB in the beginning and 200.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-11-15 18:20:34,519 INFO L158 Benchmark]: Boogie Preprocessor took 125.80ms. Allocated memory is still 261.1MB. Free memory was 200.5MB in the beginning and 187.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-15 18:20:34,519 INFO L158 Benchmark]: RCFGBuilder took 1167.09ms. Allocated memory was 261.1MB in the beginning and 354.4MB in the end (delta: 93.3MB). Free memory was 187.4MB in the beginning and 230.6MB in the end (delta: -43.2MB). Peak memory consumption was 111.0MB. Max. memory is 8.0GB. [2024-11-15 18:20:34,520 INFO L158 Benchmark]: TraceAbstraction took 17724.63ms. Allocated memory was 354.4MB in the beginning and 1.2GB in the end (delta: 810.5MB). Free memory was 230.1MB in the beginning and 964.9MB in the end (delta: -734.8MB). Peak memory consumption was 641.5MB. Max. memory is 8.0GB. [2024-11-15 18:20:34,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 261.1MB. Free memory is still 229.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 561.41ms. Allocated memory is still 261.1MB. Free memory was 190.9MB in the beginning and 211.0MB in the end (delta: -20.1MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 99.53ms. Allocated memory is still 261.1MB. Free memory was 211.0MB in the beginning and 200.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 125.80ms. Allocated memory is still 261.1MB. Free memory was 200.5MB in the beginning and 187.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * RCFGBuilder took 1167.09ms. Allocated memory was 261.1MB in the beginning and 354.4MB in the end (delta: 93.3MB). Free memory was 187.4MB in the beginning and 230.6MB in the end (delta: -43.2MB). Peak memory consumption was 111.0MB. Max. memory is 8.0GB. * TraceAbstraction took 17724.63ms. Allocated memory was 354.4MB in the beginning and 1.2GB in the end (delta: 810.5MB). Free memory was 230.1MB in the beginning and 964.9MB in the end (delta: -734.8MB). Peak memory consumption was 641.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 5269 column 45: unknown constant nat2bv (Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 5269 column 45: unknown constant nat2bv (Int) : de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-15 18:20:34,542 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 1 Received shutdown request...