/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.synabs2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-tmp.fs.smtinterpol-bv-eval-3dddfdf-m [2024-11-15 18:29:56,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 18:29:57,064 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 18:29:57,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 18:29:57,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 18:29:57,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 18:29:57,093 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 18:29:57,093 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 18:29:57,094 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-15 18:29:57,094 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-15 18:29:57,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 18:29:57,095 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 18:29:57,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 18:29:57,096 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 18:29:57,096 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 18:29:57,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 18:29:57,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 18:29:57,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 18:29:57,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 18:29:57,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 18:29:57,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 18:29:57,099 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-15 18:29:57,099 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-15 18:29:57,100 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-15 18:29:57,100 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-15 18:29:57,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 18:29:57,101 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 18:29:57,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 18:29:57,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 18:29:57,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-15 18:29:57,102 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 18:29:57,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 18:29:57,106 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 18:29:57,106 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 18:29:57,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 18:29:57,110 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-15 18:29:57,110 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-15 18:29:57,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 18:29:57,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-15 18:29:57,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-15 18:29:57,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-15 18:29:57,112 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-15 18:29:57,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 18:29:57,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 18:29:57,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 18:29:57,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 18:29:57,379 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 18:29:57,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.synabs2.c [2024-11-15 18:29:58,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 18:29:58,967 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 18:29:58,968 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.synabs2.c [2024-11-15 18:29:58,975 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/710d5a761/52da9b5a001d4d408c3bbe5b6e83ed34/FLAGf77e0115f [2024-11-15 18:29:58,988 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/710d5a761/52da9b5a001d4d408c3bbe5b6e83ed34 [2024-11-15 18:29:58,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 18:29:58,992 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 18:29:58,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 18:29:58,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 18:29:58,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 18:29:58,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 06:29:58" (1/1) ... [2024-11-15 18:29:59,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65674fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:58, skipping insertion in model container [2024-11-15 18:29:59,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 06:29:58" (1/1) ... [2024-11-15 18:29:59,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 18:29:59,204 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.synabs2.c[1247,1260] [2024-11-15 18:29:59,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 18:29:59,245 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 18:29:59,255 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.synabs2.c[1247,1260] [2024-11-15 18:29:59,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 18:29:59,286 INFO L204 MainTranslator]: Completed translation [2024-11-15 18:29:59,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59 WrapperNode [2024-11-15 18:29:59,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 18:29:59,288 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 18:29:59,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 18:29:59,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 18:29:59,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,369 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2024-11-15 18:29:59,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 18:29:59,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 18:29:59,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 18:29:59,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 18:29:59,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,401 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,422 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 18:29:59,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,432 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 18:29:59,442 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 18:29:59,442 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 18:29:59,442 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 18:29:59,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (1/1) ... [2024-11-15 18:29:59,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-15 18:29:59,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-15 18:29:59,484 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 18:29:59,490 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 18:29:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 18:29:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-15 18:29:59,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 18:29:59,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 18:29:59,626 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 18:29:59,628 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 18:29:59,828 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-15 18:29:59,828 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 18:29:59,843 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 18:29:59,843 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-15 18:29:59,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 06:29:59 BoogieIcfgContainer [2024-11-15 18:29:59,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 18:29:59,848 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 18:29:59,848 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 18:29:59,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 18:29:59,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 06:29:58" (1/3) ... [2024-11-15 18:29:59,852 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76343ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 06:29:59, skipping insertion in model container [2024-11-15 18:29:59,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 06:29:59" (2/3) ... [2024-11-15 18:29:59,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76343ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 06:29:59, skipping insertion in model container [2024-11-15 18:29:59,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 06:29:59" (3/3) ... [2024-11-15 18:29:59,857 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.synabs2.c [2024-11-15 18:29:59,875 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 18:29:59,876 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-15 18:29:59,942 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-15 18:29:59,949 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;@2efebae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 18:29:59,950 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-15 18:29:59,954 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 18:29:59,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-15 18:29:59,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-15 18:29:59,960 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-15 18:29:59,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-15 18:29:59,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 18:29:59,966 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-15 18:29:59,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-15 18:29:59,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983311682] [2024-11-15 18:29:59,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 18:29:59,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 18:30:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 18:30:10,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 18:30:10,363 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 533 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 18:30:10,370 INFO L158 Benchmark]: Toolchain (without parser) took 11377.40ms. Allocated memory was 172.0MB in the beginning and 841.0MB in the end (delta: 669.0MB). Free memory was 103.3MB in the beginning and 764.3MB in the end (delta: -661.0MB). Peak memory consumption was 477.5MB. Max. memory is 8.0GB. [2024-11-15 18:30:10,372 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 18:30:10,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.72ms. Allocated memory is still 172.0MB. Free memory was 103.1MB in the beginning and 89.1MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-15 18:30:10,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.70ms. Allocated memory was 172.0MB in the beginning and 275.8MB in the end (delta: 103.8MB). Free memory was 89.1MB in the beginning and 246.6MB in the end (delta: -157.4MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2024-11-15 18:30:10,373 INFO L158 Benchmark]: Boogie Preprocessor took 70.44ms. Allocated memory is still 275.8MB. Free memory was 246.6MB in the beginning and 244.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-15 18:30:10,374 INFO L158 Benchmark]: RCFGBuilder took 402.46ms. Allocated memory is still 275.8MB. Free memory was 244.5MB in the beginning and 230.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-15 18:30:10,374 INFO L158 Benchmark]: TraceAbstraction took 10520.68ms. Allocated memory was 275.8MB in the beginning and 841.0MB in the end (delta: 565.2MB). Free memory was 229.8MB in the beginning and 764.3MB in the end (delta: -534.5MB). Peak memory consumption was 501.0MB. Max. memory is 8.0GB. [2024-11-15 18:30:10,379 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 294.72ms. Allocated memory is still 172.0MB. Free memory was 103.1MB in the beginning and 89.1MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 81.70ms. Allocated memory was 172.0MB in the beginning and 275.8MB in the end (delta: 103.8MB). Free memory was 89.1MB in the beginning and 246.6MB in the end (delta: -157.4MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 70.44ms. Allocated memory is still 275.8MB. Free memory was 246.6MB in the beginning and 244.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 402.46ms. Allocated memory is still 275.8MB. Free memory was 244.5MB in the beginning and 230.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 10520.68ms. Allocated memory was 275.8MB in the beginning and 841.0MB in the end (delta: 565.2MB). Free memory was 229.8MB in the beginning and 764.3MB in the end (delta: -534.5MB). Peak memory consumption was 501.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 533 column 45: unknown constant nat2bv (Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 533 column 45: unknown constant nat2bv (Int) : de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1511) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-15 18:30:10,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 1 Received shutdown request...