/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 03:03:43,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 03:03:43,615 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 03:03:43,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 03:03:43,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 03:03:43,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 03:03:43,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 03:03:43,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 03:03:43,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 03:03:43,653 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 03:03:43,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 03:03:43,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 03:03:43,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 03:03:43,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 03:03:43,656 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 03:03:43,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 03:03:43,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 03:03:43,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 03:03:43,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 03:03:43,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 03:03:43,658 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 03:03:43,662 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 03:03:43,662 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 03:03:43,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 03:03:43,662 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 03:03:43,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 03:03:43,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 03:03:43,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 03:03:43,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 03:03:43,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 03:03:43,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 03:03:43,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 03:03:43,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 03:03:43,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 03:03:43,664 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 03:03:43,664 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 03:03:43,665 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 03:03:43,665 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 03:03:43,665 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 03:03:43,666 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 03:03:43,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 03:03:43,666 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-05 03:03:43,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 03:03:43,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 03:03:43,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 03:03:43,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 03:03:43,912 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 03:03:43,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal13.c [2024-11-05 03:03:45,228 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 03:03:45,460 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 03:03:45,460 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal13.c [2024-11-05 03:03:45,469 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b355ce5c/ddd241e4e5c74a018fcb98c61fbc0f5b/FLAG837c6ace7 [2024-11-05 03:03:45,485 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b355ce5c/ddd241e4e5c74a018fcb98c61fbc0f5b [2024-11-05 03:03:45,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 03:03:45,492 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 03:03:45,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 03:03:45,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 03:03:45,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 03:03:45,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6073e095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45, skipping insertion in model container [2024-11-05 03:03:45,501 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 03:03:45,687 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.cal13.c[1245,1258] [2024-11-05 03:03:45,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 03:03:45,743 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 03:03:45,754 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.cal13.c[1245,1258] [2024-11-05 03:03:45,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 03:03:45,807 INFO L204 MainTranslator]: Completed translation [2024-11-05 03:03:45,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45 WrapperNode [2024-11-05 03:03:45,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 03:03:45,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 03:03:45,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 03:03:45,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 03:03:45,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,849 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 176 [2024-11-05 03:03:45,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 03:03:45,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 03:03:45,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 03:03:45,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 03:03:45,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,867 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,880 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-05 03:03:45,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 03:03:45,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 03:03:45,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 03:03:45,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 03:03:45,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (1/1) ... [2024-11-05 03:03:45,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 03:03:45,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 03:03:45,948 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) [2024-11-05 03:03:45,955 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 [2024-11-05 03:03:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 03:03:45,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 03:03:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 03:03:45,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 03:03:45,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 03:03:46,076 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 03:03:46,078 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 03:03:46,325 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-05 03:03:46,325 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 03:03:46,336 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 03:03:46,336 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 03:03:46,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 03:03:46 BoogieIcfgContainer [2024-11-05 03:03:46,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 03:03:46,339 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 03:03:46,339 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 03:03:46,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 03:03:46,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 03:03:45" (1/3) ... [2024-11-05 03:03:46,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe84622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 03:03:46, skipping insertion in model container [2024-11-05 03:03:46,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:03:45" (2/3) ... [2024-11-05 03:03:46,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fe84622 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 03:03:46, skipping insertion in model container [2024-11-05 03:03:46,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 03:03:46" (3/3) ... [2024-11-05 03:03:46,345 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal13.c [2024-11-05 03:03:46,363 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 03:03:46,363 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 03:03:46,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 03:03:46,428 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;@3f3bb6a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 03:03:46,429 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 03:03:46,433 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) [2024-11-05 03:03:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-05 03:03:46,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 03:03:46,441 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-05 03:03:46,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 03:03:46,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 03:03:46,447 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-05 03:03:46,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 03:03:46,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128873084] [2024-11-05 03:03:46,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 03:03:46,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 03:03:46,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 03:03:46,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 03:03:46,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-05 03:03:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 03:03:46,638 WARN L253 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-05 03:03:46,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 03:03:47,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:03:47,037 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 03:03:47,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:03:47,344 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 03:03:47,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128873084] [2024-11-05 03:03:47,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2128873084] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 03:03:47,345 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 03:03:47,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 03:03:47,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223758087] [2024-11-05 03:03:47,347 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 03:03:47,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 03:03:47,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 03:03:47,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 03:03:47,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 03:03:47,375 INFO L87 Difference]: Start difference. First 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) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-11-05 03:03:47,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 03:03:47,441 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-05 03:03:47,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 03:03:47,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) Word has length 5 [2024-11-05 03:03:47,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 03:03:47,450 INFO L225 Difference]: With dead ends: 18 [2024-11-05 03:03:47,450 INFO L226 Difference]: Without dead ends: 10 [2024-11-05 03:03:47,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-05 03:03:47,456 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 03:03:47,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 14 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 03:03:47,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-05 03:03:47,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-05 03:03:47,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-11-05 03:03:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-05 03:03:47,487 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-05 03:03:47,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 03:03:47,487 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-05 03:03:47,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-11-05 03:03:47,488 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-05 03:03:47,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-05 03:03:47,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 03:03:47,488 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-05 03:03:47,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-05 03:03:47,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 03:03:47,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 03:03:47,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 03:03:47,692 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-05 03:03:47,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 03:03:47,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690202386] [2024-11-05 03:03:47,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 03:03:47,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 03:03:47,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 03:03:47,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 03:03:47,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-05 03:03:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 03:03:47,827 WARN L253 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-05 03:03:47,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 03:03:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:03:50,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 03:03:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:03:59,041 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 03:03:59,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690202386] [2024-11-05 03:03:59,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1690202386] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 03:03:59,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 03:03:59,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2024-11-05 03:03:59,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568131433] [2024-11-05 03:03:59,042 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 03:03:59,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-05 03:03:59,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 03:03:59,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-05 03:03:59,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-05 03:03:59,044 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2024-11-05 03:03:59,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 03:03:59,331 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2024-11-05 03:03:59,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 03:03:59,331 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) Word has length 8 [2024-11-05 03:03:59,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 03:03:59,332 INFO L225 Difference]: With dead ends: 17 [2024-11-05 03:03:59,332 INFO L226 Difference]: Without dead ends: 15 [2024-11-05 03:03:59,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-05 03:03:59,333 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 03:03:59,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 03:03:59,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-05 03:03:59,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-05 03:03:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2024-11-05 03:03:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-05 03:03:59,339 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-11-05 03:03:59,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 03:03:59,339 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-05 03:03:59,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2024-11-05 03:03:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-05 03:03:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-05 03:03:59,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 03:03:59,340 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-11-05 03:03:59,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-05 03:03:59,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 03:03:59,543 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 03:03:59,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 03:03:59,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 2 times [2024-11-05 03:03:59,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 03:03:59,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951061967] [2024-11-05 03:03:59,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 03:03:59,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 03:03:59,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 03:03:59,547 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 03:03:59,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-05 03:03:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 03:03:59,700 WARN L253 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 149 conjuncts are in the unsatisfiable core [2024-11-05 03:03:59,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 03:04:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-05 03:04:02,821 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 03:04:10,951 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-05 03:04:10,951 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 03:04:10,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951061967] [2024-11-05 03:04:10,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [951061967] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 03:04:10,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 03:04:10,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 13 [2024-11-05 03:04:10,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753861853] [2024-11-05 03:04:10,952 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 03:04:10,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-05 03:04:10,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 03:04:10,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-05 03:04:10,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-05 03:04:10,954 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 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) [2024-11-05 03:04:11,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 03:04:11,070 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-05 03:04:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-05 03:04:11,070 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 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) Word has length 14 [2024-11-05 03:04:11,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 03:04:11,071 INFO L225 Difference]: With dead ends: 15 [2024-11-05 03:04:11,071 INFO L226 Difference]: Without dead ends: 0 [2024-11-05 03:04:11,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-05 03:04:11,072 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 03:04:11,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 03:04:11,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-05 03:04:11,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-05 03:04:11,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-05 03:04:11,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-05 03:04:11,074 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2024-11-05 03:04:11,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 03:04:11,074 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-05 03:04:11,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 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) [2024-11-05 03:04:11,074 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-05 03:04:11,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-05 03:04:11,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-05 03:04:11,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-05 03:04:11,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 03:04:11,280 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-05 03:04:11,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-05 03:04:11,451 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-05 03:04:11,480 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-05 03:04:11,481 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-05 03:04:11,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.11 03:04:11 BoogieIcfgContainer [2024-11-05 03:04:11,490 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-05 03:04:11,491 INFO L158 Benchmark]: Toolchain (without parser) took 25998.61ms. Allocated memory was 329.3MB in the beginning and 1.0GB in the end (delta: 673.2MB). Free memory was 289.6MB in the beginning and 733.1MB in the end (delta: -443.5MB). Peak memory consumption was 230.3MB. Max. memory is 8.0GB. [2024-11-05 03:04:11,491 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 188.7MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 03:04:11,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.69ms. Allocated memory is still 329.3MB. Free memory was 289.6MB in the beginning and 273.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-11-05 03:04:11,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.54ms. Allocated memory is still 329.3MB. Free memory was 273.4MB in the beginning and 271.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-05 03:04:11,491 INFO L158 Benchmark]: Boogie Preprocessor took 49.66ms. Allocated memory is still 329.3MB. Free memory was 271.3MB in the beginning and 268.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-05 03:04:11,492 INFO L158 Benchmark]: RCFGBuilder took 435.88ms. Allocated memory is still 329.3MB. Free memory was 268.7MB in the beginning and 246.6MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2024-11-05 03:04:11,492 INFO L158 Benchmark]: TraceAbstraction took 25151.07ms. Allocated memory was 329.3MB in the beginning and 1.0GB in the end (delta: 673.2MB). Free memory was 246.1MB in the beginning and 733.1MB in the end (delta: -487.0MB). Peak memory consumption was 187.3MB. Max. memory is 8.0GB. [2024-11-05 03:04:11,494 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 188.7MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 316.69ms. Allocated memory is still 329.3MB. Free memory was 289.6MB in the beginning and 273.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.54ms. Allocated memory is still 329.3MB. Free memory was 273.4MB in the beginning and 271.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.66ms. Allocated memory is still 329.3MB. Free memory was 271.3MB in the beginning and 268.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 435.88ms. Allocated memory is still 329.3MB. Free memory was 268.7MB in the beginning and 246.6MB in the end (delta: 22.0MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 25151.07ms. Allocated memory was 329.3MB in the beginning and 1.0GB in the end (delta: 673.2MB). Free memory was 246.1MB in the beginning and 733.1MB in the end (delta: -487.0MB). Peak memory consumption was 187.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.9s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 10 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 23 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=2, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 23.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 24 QuantifiedInterpolants, 12712 SizeOfPredicates, 40 NumberOfNonLiveVariables, 344 ConjunctsInSsa, 277 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 5/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: (((((((((((0 == state_21) && (0 == state_17)) && (0 == var_10)) && (1 == var_29)) && (1 == var_39)) && (0 == state_11)) && (0 == var_14)) && (0 == state_15)) && (1 == mask_SORT_1)) || (((((((1 == state_17) && (0 == var_10)) && (1 == var_29)) && (1 == var_39)) && (0 == var_14)) && (1 == mask_SORT_1)) && (1 == state_11))) || (((((((0 == state_17) && (0 == var_10)) && (1 == var_29)) && (1 == var_39)) && (0 == var_14)) && (1 == mask_SORT_1)) && (1 == state_11))) RESULT: Ultimate proved your program to be correct! [2024-11-05 03:04:11,542 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 0 Received shutdown request...