/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-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/neural-networks/softmax_8_safe.c-amalgamation.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 07:18:02,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 07:18:02,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 07:18:02,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 07:18:02,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 07:18:02,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 07:18:02,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 07:18:02,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 07:18:02,416 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 07:18:02,416 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 07:18:02,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 07:18:02,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 07:18:02,417 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 07:18:02,417 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 07:18:02,418 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 07:18:02,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 07:18:02,421 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 07:18:02,422 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 07:18:02,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 07:18:02,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 07:18:02,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 07:18:02,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 07:18:02,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 07:18:02,425 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 07:18:02,426 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 07:18:02,426 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 07:18:02,426 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 07:18:02,426 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 07:18:02,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 07:18:02,426 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 07:18:02,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 07:18:02,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 07:18:02,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 07:18:02,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 07:18:02,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 07:18:02,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 07:18:02,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 07:18:02,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 07:18:02,428 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 07:18:02,428 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 07:18:02,429 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 07:18:02,430 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 07:18:02,430 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 07:18:02,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 07:18:02,430 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:02,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 07:18:02,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 07:18:02,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 07:18:02,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 07:18:02,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 07:18:02,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/neural-networks/softmax_8_safe.c-amalgamation.i [2024-11-03 07:18:04,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 07:18:04,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 07:18:04,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/softmax_8_safe.c-amalgamation.i [2024-11-03 07:18:04,378 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a78e4d1/fbe3eb6b87674b1aa16d003537f14ea8/FLAG8d9520ffa [2024-11-03 07:18:04,642 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3a78e4d1/fbe3eb6b87674b1aa16d003537f14ea8 [2024-11-03 07:18:04,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 07:18:04,646 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 07:18:04,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 07:18:04,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 07:18:04,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 07:18:04,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 07:18:04" (1/1) ... [2024-11-03 07:18:04,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b412695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:04, skipping insertion in model container [2024-11-03 07:18:04,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 07:18:04" (1/1) ... [2024-11-03 07:18:04,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 07:18:05,207 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/softmax_8_safe.c-amalgamation.i[63746,63759] [2024-11-03 07:18:05,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 07:18:05,221 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 07:18:05,279 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/neural-networks/softmax_8_safe.c-amalgamation.i[63746,63759] [2024-11-03 07:18:05,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 07:18:05,405 INFO L204 MainTranslator]: Completed translation [2024-11-03 07:18:05,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05 WrapperNode [2024-11-03 07:18:05,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 07:18:05,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 07:18:05,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 07:18:05,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 07:18:05,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,458 INFO L138 Inliner]: procedures = 562, calls = 36, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 131 [2024-11-03 07:18:05,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 07:18:05,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 07:18:05,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 07:18:05,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 07:18:05,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,491 INFO L175 MemorySlicer]: Split 25 memory accesses to 4 slices as follows [2, 7, 12, 4]. 48 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7, 0, 0]. The 6 writes are split as follows [0, 0, 4, 2]. [2024-11-03 07:18:05,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 07:18:05,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 07:18:05,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 07:18:05,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 07:18:05,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (1/1) ... [2024-11-03 07:18:05,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 07:18:05,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 07:18:05,563 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) [2024-11-03 07:18:05,566 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 [2024-11-03 07:18:05,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-03 07:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-03 07:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-03 07:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-03 07:18:05,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-03 07:18:05,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 07:18:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-03 07:18:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-03 07:18:05,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-03 07:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 07:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 07:18:05,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 07:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-03 07:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-03 07:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-03 07:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-03 07:18:05,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-03 07:18:05,746 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 07:18:05,749 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 07:18:06,756 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-03 07:18:06,756 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 07:18:06,769 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 07:18:06,769 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-03 07:18:06,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 07:18:06 BoogieIcfgContainer [2024-11-03 07:18:06,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 07:18:06,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 07:18:06,773 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 07:18:06,776 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 07:18:06,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 07:18:04" (1/3) ... [2024-11-03 07:18:06,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ff05c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 07:18:06, skipping insertion in model container [2024-11-03 07:18:06,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 07:18:05" (2/3) ... [2024-11-03 07:18:06,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ff05c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 07:18:06, skipping insertion in model container [2024-11-03 07:18:06,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 07:18:06" (3/3) ... [2024-11-03 07:18:06,778 INFO L112 eAbstractionObserver]: Analyzing ICFG softmax_8_safe.c-amalgamation.i [2024-11-03 07:18:06,792 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 07:18:06,792 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 07:18:06,845 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 07:18:06,851 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;@4f171c32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 07:18:06,851 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 07:18:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 29 states have internal predecessors, (43), 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) [2024-11-03 07:18:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-03 07:18:06,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 07:18:06,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 07:18:06,860 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 07:18:06,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 07:18:06,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2096707609, now seen corresponding path program 1 times [2024-11-03 07:18:06,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 07:18:06,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144975089] [2024-11-03 07:18:06,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 07:18:06,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:06,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 07:18:06,874 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) [2024-11-03 07:18:06,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 07:18:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 07:18:07,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 07:18:07,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 07:18:07,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 07:18:07,028 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 07:18:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 07:18:07,035 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 07:18:07,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144975089] [2024-11-03 07:18:07,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2144975089] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 07:18:07,036 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 07:18:07,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 07:18:07,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074938173] [2024-11-03 07:18:07,038 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 07:18:07,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 07:18:07,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 07:18:07,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 07:18:07,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 07:18:07,069 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 29 states have internal predecessors, (43), 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 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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) [2024-11-03 07:18:07,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 07:18:07,084 INFO L93 Difference]: Finished difference Result 57 states and 82 transitions. [2024-11-03 07:18:07,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 07:18:07,086 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 20 [2024-11-03 07:18:07,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 07:18:07,092 INFO L225 Difference]: With dead ends: 57 [2024-11-03 07:18:07,093 INFO L226 Difference]: Without dead ends: 26 [2024-11-03 07:18:07,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 07:18:07,099 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 07:18:07,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 07:18:07,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-11-03 07:18:07,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2024-11-03 07:18:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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) [2024-11-03 07:18:07,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2024-11-03 07:18:07,129 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 20 [2024-11-03 07:18:07,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 07:18:07,129 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2024-11-03 07:18:07,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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) [2024-11-03 07:18:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-03 07:18:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-03 07:18:07,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 07:18:07,132 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 07:18:07,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-03 07:18:07,333 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 [2024-11-03 07:18:07,333 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 07:18:07,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 07:18:07,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1671457263, now seen corresponding path program 1 times [2024-11-03 07:18:07,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 07:18:07,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [381009067] [2024-11-03 07:18:07,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 07:18:07,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:07,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 07:18:07,339 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) [2024-11-03 07:18:07,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 07:18:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 07:18:07,467 WARN L253 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-03 07:18:07,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 07:18:07,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2024-11-03 07:18:07,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 07:18:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 07:18:07,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 07:18:07,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 07:18:07,993 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 07:18:07,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [381009067] [2024-11-03 07:18:07,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [381009067] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 07:18:07,994 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 07:18:07,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 3] imperfect sequences [] total 6 [2024-11-03 07:18:07,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103220880] [2024-11-03 07:18:07,994 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 07:18:07,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 07:18:07,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 07:18:07,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 07:18:07,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-03 07:18:07,999 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-11-03 07:18:09,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 07:18:09,195 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2024-11-03 07:18:09,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 07:18:09,196 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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 20 [2024-11-03 07:18:09,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 07:18:09,197 INFO L225 Difference]: With dead ends: 43 [2024-11-03 07:18:09,197 INFO L226 Difference]: Without dead ends: 30 [2024-11-03 07:18:09,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-03 07:18:09,199 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 34 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-03 07:18:09,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 28 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-03 07:18:09,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-03 07:18:09,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-03 07:18:09,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 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) [2024-11-03 07:18:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2024-11-03 07:18:09,207 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 20 [2024-11-03 07:18:09,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 07:18:09,207 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2024-11-03 07:18:09,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-11-03 07:18:09,208 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2024-11-03 07:18:09,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-03 07:18:09,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 07:18:09,209 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 07:18:09,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 07:18:09,410 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 [2024-11-03 07:18:09,411 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 07:18:09,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 07:18:09,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1128715665, now seen corresponding path program 1 times [2024-11-03 07:18:09,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 07:18:09,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [432259048] [2024-11-03 07:18:09,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 07:18:09,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:09,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 07:18:09,415 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) [2024-11-03 07:18:09,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 07:18:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 07:18:09,507 WARN L253 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-03 07:18:09,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 07:18:09,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 07:18:09,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2024-11-03 07:18:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 07:18:09,952 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 07:18:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 07:18:10,091 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 07:18:10,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [432259048] [2024-11-03 07:18:10,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [432259048] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 07:18:10,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 07:18:10,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 11 [2024-11-03 07:18:10,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952673396] [2024-11-03 07:18:10,092 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 07:18:10,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-03 07:18:10,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 07:18:10,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-03 07:18:10,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-03 07:18:10,093 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2024-11-03 07:18:12,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 07:18:12,869 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2024-11-03 07:18:12,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-03 07:18:12,869 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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 26 [2024-11-03 07:18:12,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 07:18:12,870 INFO L225 Difference]: With dead ends: 48 [2024-11-03 07:18:12,870 INFO L226 Difference]: Without dead ends: 35 [2024-11-03 07:18:12,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-03 07:18:12,872 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 38 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-03 07:18:12,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 54 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-03 07:18:12,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-03 07:18:12,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2024-11-03 07:18:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 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) [2024-11-03 07:18:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2024-11-03 07:18:12,879 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 26 [2024-11-03 07:18:12,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 07:18:12,879 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2024-11-03 07:18:12,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 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) [2024-11-03 07:18:12,879 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2024-11-03 07:18:12,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-03 07:18:12,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 07:18:12,881 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 07:18:12,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-03 07:18:13,082 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 [2024-11-03 07:18:13,083 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 07:18:13,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 07:18:13,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1336706149, now seen corresponding path program 2 times [2024-11-03 07:18:13,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 07:18:13,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2078002198] [2024-11-03 07:18:13,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 07:18:13,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:13,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 07:18:13,087 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 07:18:13,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-03 07:18:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 07:18:13,181 WARN L253 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-03 07:18:13,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 07:18:13,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2024-11-03 07:18:13,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 07:18:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 07:18:13,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 07:18:13,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-03 07:18:13,748 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 07:18:13,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2078002198] [2024-11-03 07:18:13,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2078002198] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 07:18:13,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 07:18:13,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-11-03 07:18:13,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941518747] [2024-11-03 07:18:13,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 07:18:13,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-03 07:18:13,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 07:18:13,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-03 07:18:13,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2024-11-03 07:18:13,750 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 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) [2024-11-03 07:18:14,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 07:18:14,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 07:18:14,965 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-03 07:18:14,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 07:18:14,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 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 29 [2024-11-03 07:18:14,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 07:18:14,966 INFO L225 Difference]: With dead ends: 45 [2024-11-03 07:18:14,967 INFO L226 Difference]: Without dead ends: 35 [2024-11-03 07:18:14,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-03 07:18:14,968 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 15 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-03 07:18:14,968 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 50 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-03 07:18:14,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-03 07:18:14,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-03 07:18:14,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 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) [2024-11-03 07:18:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2024-11-03 07:18:14,974 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 29 [2024-11-03 07:18:14,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 07:18:14,974 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2024-11-03 07:18:14,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 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) [2024-11-03 07:18:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2024-11-03 07:18:14,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-03 07:18:14,975 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 07:18:14,976 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 07:18:14,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-03 07:18:15,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:15,178 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 07:18:15,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 07:18:15,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1697255529, now seen corresponding path program 1 times [2024-11-03 07:18:15,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 07:18:15,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [827372728] [2024-11-03 07:18:15,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 07:18:15,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:15,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 07:18:15,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 07:18:15,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-03 07:18:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 07:18:15,278 WARN L253 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-03 07:18:15,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 07:18:15,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2024-11-03 07:18:15,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 07:18:16,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-03 07:18:16,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 07:18:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-03 07:18:16,263 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 07:18:16,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [827372728] [2024-11-03 07:18:16,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [827372728] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 07:18:16,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 07:18:16,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2024-11-03 07:18:16,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938257830] [2024-11-03 07:18:16,264 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 07:18:16,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-03 07:18:16,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 07:18:16,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-03 07:18:16,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-03 07:18:16,265 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-11-03 07:18:18,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 07:18:18,823 INFO L93 Difference]: Finished difference Result 60 states and 74 transitions. [2024-11-03 07:18:18,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-03 07:18:18,824 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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 33 [2024-11-03 07:18:18,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 07:18:18,825 INFO L225 Difference]: With dead ends: 60 [2024-11-03 07:18:18,825 INFO L226 Difference]: Without dead ends: 49 [2024-11-03 07:18:18,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2024-11-03 07:18:18,826 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 66 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-03 07:18:18,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 50 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-03 07:18:18,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-03 07:18:18,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2024-11-03 07:18:18,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 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) [2024-11-03 07:18:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2024-11-03 07:18:18,833 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 33 [2024-11-03 07:18:18,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 07:18:18,833 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2024-11-03 07:18:18,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-11-03 07:18:18,833 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2024-11-03 07:18:18,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-03 07:18:18,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 07:18:18,834 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 07:18:18,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-03 07:18:19,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:19,036 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 07:18:19,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 07:18:19,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1132771211, now seen corresponding path program 2 times [2024-11-03 07:18:19,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 07:18:19,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547843119] [2024-11-03 07:18:19,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 07:18:19,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:19,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 07:18:19,038 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 07:18:19,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-03 07:18:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 07:18:19,149 WARN L253 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 106 conjuncts are in the unsatisfiable core [2024-11-03 07:18:19,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 07:18:19,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 07:18:19,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2024-11-03 07:18:19,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:19,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2024-11-03 07:18:21,223 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-03 07:18:21,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 57 [2024-11-03 07:18:26,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:26,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:27,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:27,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 07:18:27,853 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 07:18:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-03 07:18:27,963 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 07:18:27,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547843119] [2024-11-03 07:18:27,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1547843119] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 07:18:27,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 07:18:27,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [20] total 22 [2024-11-03 07:18:27,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88024729] [2024-11-03 07:18:27,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 07:18:27,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 07:18:27,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 07:18:27,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 07:18:27,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-11-03 07:18:27,966 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-03 07:18:28,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 07:18:28,037 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2024-11-03 07:18:28,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 07:18:28,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 45 [2024-11-03 07:18:28,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 07:18:28,040 INFO L225 Difference]: With dead ends: 52 [2024-11-03 07:18:28,040 INFO L226 Difference]: Without dead ends: 48 [2024-11-03 07:18:28,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-11-03 07:18:28,041 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 07:18:28,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 07:18:28,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-03 07:18:28,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-03 07:18:28,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.148936170212766) internal successors, (54), 47 states have internal predecessors, (54), 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) [2024-11-03 07:18:28,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2024-11-03 07:18:28,048 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 45 [2024-11-03 07:18:28,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 07:18:28,049 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2024-11-03 07:18:28,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-03 07:18:28,049 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2024-11-03 07:18:28,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-03 07:18:28,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 07:18:28,050 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 07:18:28,053 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-03 07:18:28,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:28,252 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 07:18:28,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 07:18:28,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1913172201, now seen corresponding path program 1 times [2024-11-03 07:18:28,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 07:18:28,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434070775] [2024-11-03 07:18:28,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 07:18:28,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:28,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 07:18:28,254 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 07:18:28,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-03 07:18:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 07:18:28,368 WARN L253 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-11-03 07:18:28,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 07:18:28,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2024-11-03 07:18:28,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 07:18:29,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:29,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2024-11-03 07:18:30,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 57 [2024-11-03 07:18:36,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:36,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:37,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:37,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:37,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:37,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-11-03 07:18:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 07:18:38,506 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 07:18:38,988 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-03 07:18:38,989 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 07:18:38,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434070775] [2024-11-03 07:18:38,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1434070775] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 07:18:38,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 07:18:38,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 4] total 26 [2024-11-03 07:18:38,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611288725] [2024-11-03 07:18:38,989 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 07:18:38,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-03 07:18:38,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 07:18:38,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-03 07:18:38,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=528, Unknown=0, NotChecked=0, Total=650 [2024-11-03 07:18:38,991 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 26 states, 26 states have (on average 2.8076923076923075) internal successors, (73), 26 states have internal predecessors, (73), 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) [2024-11-03 07:18:44,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 07:18:47,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 07:18:50,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 07:18:56,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-03 07:18:56,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 07:18:56,874 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2024-11-03 07:18:56,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-03 07:18:56,875 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.8076923076923075) internal successors, (73), 26 states have internal predecessors, (73), 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 47 [2024-11-03 07:18:56,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 07:18:56,876 INFO L225 Difference]: With dead ends: 60 [2024-11-03 07:18:56,876 INFO L226 Difference]: Without dead ends: 56 [2024-11-03 07:18:56,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=155, Invalid=715, Unknown=0, NotChecked=0, Total=870 [2024-11-03 07:18:56,877 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 58 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-11-03 07:18:56,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 85 Invalid, 536 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 534 Invalid, 1 Unknown, 0 Unchecked, 17.6s Time] [2024-11-03 07:18:56,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-03 07:18:56,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2024-11-03 07:18:56,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.1372549019607843) internal successors, (58), 51 states have internal predecessors, (58), 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) [2024-11-03 07:18:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2024-11-03 07:18:56,884 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 47 [2024-11-03 07:18:56,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 07:18:56,884 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2024-11-03 07:18:56,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.8076923076923075) internal successors, (73), 26 states have internal predecessors, (73), 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) [2024-11-03 07:18:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2024-11-03 07:18:56,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-03 07:18:56,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 07:18:56,885 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 07:18:56,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-03 07:18:57,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:57,086 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 07:18:57,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 07:18:57,087 INFO L85 PathProgramCache]: Analyzing trace with hash 25172699, now seen corresponding path program 2 times [2024-11-03 07:18:57,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 07:18:57,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1186880733] [2024-11-03 07:18:57,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 07:18:57,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 07:18:57,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 07:18:57,089 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 07:18:57,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-03 07:18:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 07:18:57,207 WARN L253 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-03 07:18:57,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 07:18:57,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 1 [2024-11-03 07:18:57,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-03 07:18:57,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:18:57,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 41 [2024-11-03 07:18:59,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 57 [2024-11-03 07:19:05,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:19:06,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:19:06,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:19:06,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:19:06,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-03 07:19:10,011 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-03 07:19:10,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 30 [2024-11-03 07:19:15,588 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 07:19:15,588 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 07:19:17,026 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-03 07:19:17,026 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 07:19:17,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1186880733] [2024-11-03 07:19:17,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1186880733] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 07:19:17,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 07:19:17,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 6] total 32 [2024-11-03 07:19:17,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249171702] [2024-11-03 07:19:17,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 07:19:17,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-03 07:19:17,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 07:19:17,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-03 07:19:17,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=837, Unknown=0, NotChecked=0, Total=992 [2024-11-03 07:19:17,029 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 32 states, 32 states have (on average 2.53125) internal successors, (81), 32 states have internal predecessors, (81), 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) [2024-11-03 07:19:23,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 07:19:27,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 07:19:30,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-03 07:19:44,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-03 07:19:45,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 07:19:45,152 INFO L93 Difference]: Finished difference Result 62 states and 69 transitions. [2024-11-03 07:19:45,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-03 07:19:45,153 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 32 states have internal predecessors, (81), 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 51 [2024-11-03 07:19:45,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 07:19:45,154 INFO L225 Difference]: With dead ends: 62 [2024-11-03 07:19:45,154 INFO L226 Difference]: Without dead ends: 58 [2024-11-03 07:19:45,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=181, Invalid=1009, Unknown=0, NotChecked=0, Total=1190 [2024-11-03 07:19:45,155 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 48 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-11-03 07:19:45,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 104 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 626 Invalid, 1 Unknown, 0 Unchecked, 20.3s Time] [2024-11-03 07:19:45,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-03 07:19:45,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 54. [2024-11-03 07:19:45,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 states have internal predecessors, (60), 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) [2024-11-03 07:19:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2024-11-03 07:19:45,162 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 51 [2024-11-03 07:19:45,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 07:19:45,162 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2024-11-03 07:19:45,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 32 states have internal predecessors, (81), 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) [2024-11-03 07:19:45,162 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2024-11-03 07:19:45,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-03 07:19:45,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 07:19:45,163 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 07:19:45,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-03 07:19:45,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 07:19:45,365 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 07:19:45,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 07:19:45,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1525604355, now seen corresponding path program 3 times [2024-11-03 07:19:45,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 07:19:45,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1171448970] [2024-11-03 07:19:45,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 07:19:45,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 07:19:45,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 07:19:45,367 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 07:19:45,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-03 07:19:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-03 07:19:46,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.