/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/bitvector/s3_clnt_2.BV.c.cil-1a.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:41:59,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:41:59,770 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 05:41:59,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:41:59,775 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:41:59,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:41:59,800 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:41:59,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:41:59,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:41:59,805 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:41:59,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:41:59,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:41:59,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:41:59,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:41:59,806 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:41:59,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:41:59,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:41:59,806 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:41:59,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:41:59,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:41:59,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:41:59,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:41:59,808 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:41:59,808 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:41:59,808 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:41:59,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:41:59,808 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:41:59,808 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:41:59,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:41:59,809 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:41:59,809 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:41:59,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:41:59,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:41:59,809 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:41:59,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:41:59,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:41:59,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:41:59,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:41:59,810 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:41:59,810 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:41:59,810 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:41:59,810 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:41:59,810 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:41:59,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:41:59,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:00,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:42:00,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:42:00,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:42:00,029 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:42:00,030 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:42:00,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_clnt_2.BV.c.cil-1a.c [2024-11-03 05:42:01,212 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:42:01,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:42:01,369 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_clnt_2.BV.c.cil-1a.c [2024-11-03 05:42:01,377 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beaafe679/4305859023a44ad88f62bb60ce8cf667/FLAG3ceae520f [2024-11-03 05:42:01,793 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/beaafe679/4305859023a44ad88f62bb60ce8cf667 [2024-11-03 05:42:01,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:42:01,796 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:42:01,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:42:01,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:42:01,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:42:01,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:42:01" (1/1) ... [2024-11-03 05:42:01,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf88bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:01, skipping insertion in model container [2024-11-03 05:42:01,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:42:01" (1/1) ... [2024-11-03 05:42:01,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:42:02,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_clnt_2.BV.c.cil-1a.c[37676,37689] [2024-11-03 05:42:02,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:42:02,026 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:42:02,064 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_clnt_2.BV.c.cil-1a.c[37676,37689] [2024-11-03 05:42:02,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:42:02,080 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:42:02,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02 WrapperNode [2024-11-03 05:42:02,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:42:02,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:42:02,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:42:02,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:42:02,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,093 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,119 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 470 [2024-11-03 05:42:02,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:42:02,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:42:02,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:42:02,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:42:02,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,137 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,146 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 05:42:02,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,147 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:42:02,163 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:42:02,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:42:02,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:42:02,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (1/1) ... [2024-11-03 05:42:02,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:42:02,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:42:02,193 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 05:42:02,198 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 05:42:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:42:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:42:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:42:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:42:02,286 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:42:02,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:42:02,296 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-03 05:42:02,627 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2024-11-03 05:42:02,627 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2024-11-03 05:42:02,666 INFO L? ?]: Removed 116 outVars from TransFormulas that were not future-live. [2024-11-03 05:42:02,667 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:42:02,681 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:42:02,681 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:42:02,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:42:02 BoogieIcfgContainer [2024-11-03 05:42:02,682 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:42:02,683 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:42:02,683 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:42:02,686 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:42:02,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:42:01" (1/3) ... [2024-11-03 05:42:02,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b46e222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:42:02, skipping insertion in model container [2024-11-03 05:42:02,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:42:02" (2/3) ... [2024-11-03 05:42:02,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b46e222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:42:02, skipping insertion in model container [2024-11-03 05:42:02,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:42:02" (3/3) ... [2024-11-03 05:42:02,688 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-1a.c [2024-11-03 05:42:02,700 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:42:02,700 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:42:02,754 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:42:02,760 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;@5e51b9c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:42:02,761 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:42:02,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 123 states have (on average 1.7317073170731707) internal successors, (213), 124 states have internal predecessors, (213), 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 05:42:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-03 05:42:02,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:02,770 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, 1, 1, 1, 1] [2024-11-03 05:42:02,770 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:02,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:02,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1457697026, now seen corresponding path program 1 times [2024-11-03 05:42:02,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:02,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345385549] [2024-11-03 05:42:02,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:02,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:02,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:02,789 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 05:42:02,793 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 05:42:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:02,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:02,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:02,912 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 05:42:02,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:02,933 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 05:42:02,933 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:02,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345385549] [2024-11-03 05:42:02,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [345385549] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:02,934 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:02,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:02,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791431687] [2024-11-03 05:42:02,936 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:02,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:02,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:02,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:02,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:02,960 INFO L87 Difference]: Start difference. First operand has 125 states, 123 states have (on average 1.7317073170731707) internal successors, (213), 124 states have internal predecessors, (213), 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 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 05:42:03,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:03,135 INFO L93 Difference]: Finished difference Result 246 states and 421 transitions. [2024-11-03 05:42:03,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:03,138 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2024-11-03 05:42:03,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:03,145 INFO L225 Difference]: With dead ends: 246 [2024-11-03 05:42:03,145 INFO L226 Difference]: Without dead ends: 112 [2024-11-03 05:42:03,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:03,151 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 6 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:03,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 319 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:03,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-03 05:42:03,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-03 05:42:03,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 111 states have (on average 1.5225225225225225) internal successors, (169), 111 states have internal predecessors, (169), 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 05:42:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 169 transitions. [2024-11-03 05:42:03,187 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 169 transitions. Word has length 24 [2024-11-03 05:42:03,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:03,187 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 169 transitions. [2024-11-03 05:42:03,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 05:42:03,187 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 169 transitions. [2024-11-03 05:42:03,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-03 05:42:03,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:03,188 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:03,191 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 05:42:03,389 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 05:42:03,390 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:03,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:03,391 INFO L85 PathProgramCache]: Analyzing trace with hash -611475394, now seen corresponding path program 1 times [2024-11-03 05:42:03,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:03,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41176855] [2024-11-03 05:42:03,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:03,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:03,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:03,394 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 05:42:03,395 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 05:42:03,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:03,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:03,448 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:03,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:42:03,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 05:42:03,493 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:03,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41176855] [2024-11-03 05:42:03,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [41176855] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:03,494 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:03,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:03,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668964608] [2024-11-03 05:42:03,494 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:03,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:03,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:03,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:03,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:03,499 INFO L87 Difference]: Start difference. First operand 112 states and 169 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 05:42:03,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:03,611 INFO L93 Difference]: Finished difference Result 229 states and 350 transitions. [2024-11-03 05:42:03,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:03,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2024-11-03 05:42:03,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:03,613 INFO L225 Difference]: With dead ends: 229 [2024-11-03 05:42:03,613 INFO L226 Difference]: Without dead ends: 127 [2024-11-03 05:42:03,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:03,615 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 9 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:03,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 239 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:03,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-03 05:42:03,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2024-11-03 05:42:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.5) internal successors, (189), 126 states have internal predecessors, (189), 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 05:42:03,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 189 transitions. [2024-11-03 05:42:03,624 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 189 transitions. Word has length 36 [2024-11-03 05:42:03,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:03,624 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 189 transitions. [2024-11-03 05:42:03,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 05:42:03,625 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 189 transitions. [2024-11-03 05:42:03,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-03 05:42:03,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:03,628 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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 05:42:03,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-03 05:42:03,829 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 05:42:03,830 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:03,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:03,831 INFO L85 PathProgramCache]: Analyzing trace with hash 213639527, now seen corresponding path program 1 times [2024-11-03 05:42:03,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:03,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180061840] [2024-11-03 05:42:03,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:03,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:03,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:03,834 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 05:42:03,838 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 05:42:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:03,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:03,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:03,933 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-03 05:42:03,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-03 05:42:03,959 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:03,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180061840] [2024-11-03 05:42:03,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [180061840] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:03,959 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:03,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:03,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579460006] [2024-11-03 05:42:03,960 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:03,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:03,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:03,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:03,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:03,961 INFO L87 Difference]: Start difference. First operand 127 states and 189 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 05:42:04,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:04,074 INFO L93 Difference]: Finished difference Result 261 states and 394 transitions. [2024-11-03 05:42:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:04,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 50 [2024-11-03 05:42:04,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:04,076 INFO L225 Difference]: With dead ends: 261 [2024-11-03 05:42:04,076 INFO L226 Difference]: Without dead ends: 144 [2024-11-03 05:42:04,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:04,077 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 10 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:04,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 252 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:04,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-03 05:42:04,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-03 05:42:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 143 states have (on average 1.4755244755244756) internal successors, (211), 143 states have internal predecessors, (211), 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 05:42:04,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 211 transitions. [2024-11-03 05:42:04,090 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 211 transitions. Word has length 50 [2024-11-03 05:42:04,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:04,091 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 211 transitions. [2024-11-03 05:42:04,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 05:42:04,091 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 211 transitions. [2024-11-03 05:42:04,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-03 05:42:04,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:04,096 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:04,098 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 05:42:04,296 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 05:42:04,297 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:04,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:04,297 INFO L85 PathProgramCache]: Analyzing trace with hash 370823208, now seen corresponding path program 1 times [2024-11-03 05:42:04,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:04,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1114668331] [2024-11-03 05:42:04,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:04,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:04,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:04,299 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 05:42:04,300 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 05:42:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:04,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-03 05:42:04,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-03 05:42:04,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-03 05:42:04,512 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:04,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1114668331] [2024-11-03 05:42:04,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1114668331] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:04,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:04,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:04,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656130014] [2024-11-03 05:42:04,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:04,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:04,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:04,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:04,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:04,515 INFO L87 Difference]: Start difference. First operand 144 states and 211 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 05:42:04,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:04,617 INFO L93 Difference]: Finished difference Result 301 states and 450 transitions. [2024-11-03 05:42:04,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:04,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 67 [2024-11-03 05:42:04,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:04,619 INFO L225 Difference]: With dead ends: 301 [2024-11-03 05:42:04,619 INFO L226 Difference]: Without dead ends: 167 [2024-11-03 05:42:04,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:04,620 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 49 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:04,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 158 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-03 05:42:04,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-03 05:42:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 166 states have (on average 1.5180722891566265) internal successors, (252), 166 states have internal predecessors, (252), 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 05:42:04,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 252 transitions. [2024-11-03 05:42:04,627 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 252 transitions. Word has length 67 [2024-11-03 05:42:04,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:04,628 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 252 transitions. [2024-11-03 05:42:04,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 05:42:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 252 transitions. [2024-11-03 05:42:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-03 05:42:04,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:04,629 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:04,631 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 05:42:04,831 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 05:42:04,832 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:04,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:04,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1394008599, now seen corresponding path program 1 times [2024-11-03 05:42:04,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:04,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003774061] [2024-11-03 05:42:04,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:04,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:04,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:04,835 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 05:42:04,836 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 05:42:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:04,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-03 05:42:04,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:04,977 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-03 05:42:04,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-03 05:42:05,014 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:05,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003774061] [2024-11-03 05:42:05,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2003774061] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:05,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:05,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:05,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115294569] [2024-11-03 05:42:05,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:05,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:05,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:05,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:05,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:05,016 INFO L87 Difference]: Start difference. First operand 167 states and 252 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 05:42:05,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:05,129 INFO L93 Difference]: Finished difference Result 348 states and 534 transitions. [2024-11-03 05:42:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:05,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 68 [2024-11-03 05:42:05,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:05,131 INFO L225 Difference]: With dead ends: 348 [2024-11-03 05:42:05,131 INFO L226 Difference]: Without dead ends: 191 [2024-11-03 05:42:05,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:05,133 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 49 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:05,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 157 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:05,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-03 05:42:05,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2024-11-03 05:42:05,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 190 states have (on average 1.5526315789473684) internal successors, (295), 190 states have internal predecessors, (295), 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 05:42:05,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 295 transitions. [2024-11-03 05:42:05,146 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 295 transitions. Word has length 68 [2024-11-03 05:42:05,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:05,146 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 295 transitions. [2024-11-03 05:42:05,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 05:42:05,147 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 295 transitions. [2024-11-03 05:42:05,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-03 05:42:05,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:05,150 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:05,153 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-03 05:42:05,350 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 05:42:05,351 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:05,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:05,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1939964640, now seen corresponding path program 1 times [2024-11-03 05:42:05,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:05,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191767497] [2024-11-03 05:42:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:05,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:05,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:05,353 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 05:42:05,354 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 05:42:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:05,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-03 05:42:05,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:05,502 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 56 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-03 05:42:05,503 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-03 05:42:05,531 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:05,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191767497] [2024-11-03 05:42:05,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [191767497] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:05,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:05,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:05,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333926468] [2024-11-03 05:42:05,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:05,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:05,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:05,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:05,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:05,533 INFO L87 Difference]: Start difference. First operand 191 states and 295 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 05:42:05,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:05,619 INFO L93 Difference]: Finished difference Result 393 states and 614 transitions. [2024-11-03 05:42:05,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:05,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 87 [2024-11-03 05:42:05,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:05,621 INFO L225 Difference]: With dead ends: 393 [2024-11-03 05:42:05,621 INFO L226 Difference]: Without dead ends: 212 [2024-11-03 05:42:05,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:05,623 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 52 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:05,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 157 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:05,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-03 05:42:05,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-03 05:42:05,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 1.5687203791469195) internal successors, (331), 211 states have internal predecessors, (331), 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 05:42:05,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 331 transitions. [2024-11-03 05:42:05,633 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 331 transitions. Word has length 87 [2024-11-03 05:42:05,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:05,634 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 331 transitions. [2024-11-03 05:42:05,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 05:42:05,634 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 331 transitions. [2024-11-03 05:42:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-03 05:42:05,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:05,635 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:05,640 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 05:42:05,835 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 05:42:05,836 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:05,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:05,836 INFO L85 PathProgramCache]: Analyzing trace with hash 723293441, now seen corresponding path program 1 times [2024-11-03 05:42:05,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:05,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304971679] [2024-11-03 05:42:05,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:05,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:05,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:05,839 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 05:42:05,840 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 05:42:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:05,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-03 05:42:05,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:05,958 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-03 05:42:05,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-03 05:42:05,986 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:05,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304971679] [2024-11-03 05:42:05,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1304971679] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:05,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:05,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:05,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075411906] [2024-11-03 05:42:05,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:05,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:05,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:05,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:05,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:05,987 INFO L87 Difference]: Start difference. First operand 212 states and 331 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 05:42:06,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:06,093 INFO L93 Difference]: Finished difference Result 414 states and 648 transitions. [2024-11-03 05:42:06,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:06,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 88 [2024-11-03 05:42:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:06,094 INFO L225 Difference]: With dead ends: 414 [2024-11-03 05:42:06,094 INFO L226 Difference]: Without dead ends: 212 [2024-11-03 05:42:06,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:06,095 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 51 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:06,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 157 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:06,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-03 05:42:06,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-11-03 05:42:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 211 states have (on average 1.5592417061611374) internal successors, (329), 211 states have internal predecessors, (329), 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 05:42:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 329 transitions. [2024-11-03 05:42:06,099 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 329 transitions. Word has length 88 [2024-11-03 05:42:06,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:06,100 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 329 transitions. [2024-11-03 05:42:06,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 05:42:06,100 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 329 transitions. [2024-11-03 05:42:06,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-03 05:42:06,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:06,101 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:06,103 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 05:42:06,302 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 05:42:06,303 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:06,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:06,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1059103734, now seen corresponding path program 1 times [2024-11-03 05:42:06,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:06,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363651842] [2024-11-03 05:42:06,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:06,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:06,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:06,306 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 05:42:06,307 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 05:42:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:06,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-03 05:42:06,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:06,442 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-03 05:42:06,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:06,467 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-03 05:42:06,468 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:06,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363651842] [2024-11-03 05:42:06,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1363651842] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:06,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:06,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:06,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299178996] [2024-11-03 05:42:06,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:06,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:06,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:06,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:06,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:06,469 INFO L87 Difference]: Start difference. First operand 212 states and 329 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 05:42:06,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:06,559 INFO L93 Difference]: Finished difference Result 434 states and 679 transitions. [2024-11-03 05:42:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:06,559 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 103 [2024-11-03 05:42:06,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:06,561 INFO L225 Difference]: With dead ends: 434 [2024-11-03 05:42:06,561 INFO L226 Difference]: Without dead ends: 232 [2024-11-03 05:42:06,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:06,562 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 54 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:06,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 158 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:06,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-03 05:42:06,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-03 05:42:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 231 states have (on average 1.5627705627705628) internal successors, (361), 231 states have internal predecessors, (361), 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 05:42:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 361 transitions. [2024-11-03 05:42:06,571 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 361 transitions. Word has length 103 [2024-11-03 05:42:06,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:06,572 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 361 transitions. [2024-11-03 05:42:06,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 05:42:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 361 transitions. [2024-11-03 05:42:06,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-03 05:42:06,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:06,573 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:06,578 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 05:42:06,774 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 05:42:06,775 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:06,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:06,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1619803512, now seen corresponding path program 1 times [2024-11-03 05:42:06,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:06,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2137300467] [2024-11-03 05:42:06,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:06,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:06,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:06,777 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 05:42:06,777 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 05:42:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:06,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-03 05:42:06,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:06,935 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 85 proven. 32 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-03 05:42:06,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:06,984 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-03 05:42:06,984 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:06,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2137300467] [2024-11-03 05:42:06,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2137300467] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:06,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:06,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2024-11-03 05:42:06,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936179109] [2024-11-03 05:42:06,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:06,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:06,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:06,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:06,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:06,985 INFO L87 Difference]: Start difference. First operand 232 states and 361 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 05:42:07,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:07,008 INFO L93 Difference]: Finished difference Result 649 states and 1013 transitions. [2024-11-03 05:42:07,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:07,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 103 [2024-11-03 05:42:07,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:07,010 INFO L225 Difference]: With dead ends: 649 [2024-11-03 05:42:07,010 INFO L226 Difference]: Without dead ends: 427 [2024-11-03 05:42:07,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:42:07,011 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 134 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:07,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 298 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:42:07,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-03 05:42:07,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2024-11-03 05:42:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 426 states have (on average 1.5610328638497653) internal successors, (665), 426 states have internal predecessors, (665), 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 05:42:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 665 transitions. [2024-11-03 05:42:07,019 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 665 transitions. Word has length 103 [2024-11-03 05:42:07,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:07,019 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 665 transitions. [2024-11-03 05:42:07,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 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 05:42:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 665 transitions. [2024-11-03 05:42:07,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-03 05:42:07,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:07,020 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:07,022 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-03 05:42:07,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:07,222 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:07,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:07,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1485790006, now seen corresponding path program 1 times [2024-11-03 05:42:07,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:07,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703354643] [2024-11-03 05:42:07,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:07,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:07,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:07,224 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:07,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-03 05:42:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:07,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-03 05:42:07,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 45 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-03 05:42:07,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-03 05:42:07,513 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:07,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703354643] [2024-11-03 05:42:07,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [703354643] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:07,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:07,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-03 05:42:07,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904782865] [2024-11-03 05:42:07,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:07,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:07,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:07,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:07,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-03 05:42:07,514 INFO L87 Difference]: Start difference. First operand 427 states and 665 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 05:42:07,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:07,536 INFO L93 Difference]: Finished difference Result 648 states and 1010 transitions. [2024-11-03 05:42:07,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:07,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 103 [2024-11-03 05:42:07,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:07,538 INFO L225 Difference]: With dead ends: 648 [2024-11-03 05:42:07,539 INFO L226 Difference]: Without dead ends: 646 [2024-11-03 05:42:07,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-03 05:42:07,539 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 127 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:07,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 298 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:42:07,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-11-03 05:42:07,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2024-11-03 05:42:07,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 645 states have (on average 1.5612403100775194) internal successors, (1007), 645 states have internal predecessors, (1007), 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 05:42:07,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 1007 transitions. [2024-11-03 05:42:07,553 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 1007 transitions. Word has length 103 [2024-11-03 05:42:07,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:07,553 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 1007 transitions. [2024-11-03 05:42:07,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 05:42:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1007 transitions. [2024-11-03 05:42:07,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-03 05:42:07,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:07,556 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:07,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-03 05:42:07,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:07,758 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:07,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:07,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1168582955, now seen corresponding path program 1 times [2024-11-03 05:42:07,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:07,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36075718] [2024-11-03 05:42:07,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:07,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:07,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:07,759 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:07,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-03 05:42:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:07,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:07,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:07,857 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-03 05:42:07,857 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-03 05:42:07,886 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:07,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36075718] [2024-11-03 05:42:07,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [36075718] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:07,886 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:07,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:07,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584761172] [2024-11-03 05:42:07,886 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:07,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:07,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:07,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:07,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:07,887 INFO L87 Difference]: Start difference. First operand 646 states and 1007 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 05:42:07,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:07,906 INFO L93 Difference]: Finished difference Result 1308 states and 2034 transitions. [2024-11-03 05:42:07,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:07,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 104 [2024-11-03 05:42:07,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:07,909 INFO L225 Difference]: With dead ends: 1308 [2024-11-03 05:42:07,909 INFO L226 Difference]: Without dead ends: 672 [2024-11-03 05:42:07,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:07,910 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 20 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:07,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 309 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:42:07,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2024-11-03 05:42:07,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2024-11-03 05:42:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 671 states have (on average 1.5499254843517138) internal successors, (1040), 671 states have internal predecessors, (1040), 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 05:42:07,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1040 transitions. [2024-11-03 05:42:07,921 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1040 transitions. Word has length 104 [2024-11-03 05:42:07,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:07,922 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 1040 transitions. [2024-11-03 05:42:07,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 05:42:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1040 transitions. [2024-11-03 05:42:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-03 05:42:07,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:07,923 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:07,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-03 05:42:08,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:08,125 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:08,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:08,126 INFO L85 PathProgramCache]: Analyzing trace with hash -997510721, now seen corresponding path program 1 times [2024-11-03 05:42:08,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:08,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863279174] [2024-11-03 05:42:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:08,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:08,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:08,127 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:08,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-03 05:42:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:08,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:08,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-03 05:42:08,231 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:08,263 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-03 05:42:08,263 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:08,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863279174] [2024-11-03 05:42:08,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1863279174] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:08,263 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:08,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:08,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7032562] [2024-11-03 05:42:08,263 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:08,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:08,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:08,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:08,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:08,264 INFO L87 Difference]: Start difference. First operand 672 states and 1040 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 05:42:08,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:08,286 INFO L93 Difference]: Finished difference Result 1878 states and 2912 transitions. [2024-11-03 05:42:08,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:08,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 135 [2024-11-03 05:42:08,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:08,290 INFO L225 Difference]: With dead ends: 1878 [2024-11-03 05:42:08,290 INFO L226 Difference]: Without dead ends: 1242 [2024-11-03 05:42:08,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:08,291 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 129 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:08,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 385 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:42:08,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2024-11-03 05:42:08,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1240. [2024-11-03 05:42:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1239 states have (on average 1.5407586763518968) internal successors, (1909), 1239 states have internal predecessors, (1909), 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 05:42:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1909 transitions. [2024-11-03 05:42:08,312 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1909 transitions. Word has length 135 [2024-11-03 05:42:08,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:08,313 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1909 transitions. [2024-11-03 05:42:08,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 05:42:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1909 transitions. [2024-11-03 05:42:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-03 05:42:08,315 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:08,315 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:08,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-03 05:42:08,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:08,515 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:08,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:08,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1356874561, now seen corresponding path program 1 times [2024-11-03 05:42:08,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:08,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562749328] [2024-11-03 05:42:08,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:08,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:08,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:08,518 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:08,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-03 05:42:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:08,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-03 05:42:08,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 162 proven. 18 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-03 05:42:08,639 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-03 05:42:08,659 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:08,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562749328] [2024-11-03 05:42:08,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [562749328] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:08,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:08,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:08,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645852705] [2024-11-03 05:42:08,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:08,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:08,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:08,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:08,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:08,661 INFO L87 Difference]: Start difference. First operand 1240 states and 1909 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 05:42:08,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:08,754 INFO L93 Difference]: Finished difference Result 2444 states and 3771 transitions. [2024-11-03 05:42:08,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:08,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 135 [2024-11-03 05:42:08,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:08,758 INFO L225 Difference]: With dead ends: 2444 [2024-11-03 05:42:08,758 INFO L226 Difference]: Without dead ends: 1240 [2024-11-03 05:42:08,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:08,759 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 58 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:08,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 174 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:08,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2024-11-03 05:42:08,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1240. [2024-11-03 05:42:08,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1239 states have (on average 1.5254237288135593) internal successors, (1890), 1239 states have internal predecessors, (1890), 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 05:42:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1890 transitions. [2024-11-03 05:42:08,780 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1890 transitions. Word has length 135 [2024-11-03 05:42:08,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:08,780 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1890 transitions. [2024-11-03 05:42:08,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 05:42:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1890 transitions. [2024-11-03 05:42:08,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-03 05:42:08,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:08,782 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:08,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-03 05:42:08,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:08,983 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:08,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:08,983 INFO L85 PathProgramCache]: Analyzing trace with hash 745648190, now seen corresponding path program 1 times [2024-11-03 05:42:08,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:08,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [497874978] [2024-11-03 05:42:08,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:08,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:08,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:08,985 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:08,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-03 05:42:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:09,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-03 05:42:09,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:09,104 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 167 proven. 18 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-03 05:42:09,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-03 05:42:09,130 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:09,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [497874978] [2024-11-03 05:42:09,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [497874978] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:09,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:09,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:09,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212993525] [2024-11-03 05:42:09,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:09,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:09,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:09,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:09,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:09,132 INFO L87 Difference]: Start difference. First operand 1240 states and 1890 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 05:42:09,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:09,243 INFO L93 Difference]: Finished difference Result 2444 states and 3733 transitions. [2024-11-03 05:42:09,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:09,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 136 [2024-11-03 05:42:09,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:09,247 INFO L225 Difference]: With dead ends: 2444 [2024-11-03 05:42:09,247 INFO L226 Difference]: Without dead ends: 1240 [2024-11-03 05:42:09,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:09,250 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 57 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:09,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 157 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:09,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2024-11-03 05:42:09,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1240. [2024-11-03 05:42:09,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1239 states have (on average 1.510088781275222) internal successors, (1871), 1239 states have internal predecessors, (1871), 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 05:42:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1871 transitions. [2024-11-03 05:42:09,270 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1871 transitions. Word has length 136 [2024-11-03 05:42:09,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:09,270 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1871 transitions. [2024-11-03 05:42:09,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 05:42:09,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1871 transitions. [2024-11-03 05:42:09,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-03 05:42:09,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:09,272 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 7, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:42:09,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:09,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:09,473 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:09,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:09,473 INFO L85 PathProgramCache]: Analyzing trace with hash -111095167, now seen corresponding path program 2 times [2024-11-03 05:42:09,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:09,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816950452] [2024-11-03 05:42:09,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:09,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:09,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:09,476 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:09,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-03 05:42:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:09,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-03 05:42:09,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 167 proven. 18 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-03 05:42:09,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-03 05:42:09,623 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:09,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816950452] [2024-11-03 05:42:09,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1816950452] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:09,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:09,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:09,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906598045] [2024-11-03 05:42:09,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:09,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:09,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:09,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:09,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:09,624 INFO L87 Difference]: Start difference. First operand 1240 states and 1871 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 05:42:09,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:09,731 INFO L93 Difference]: Finished difference Result 2444 states and 3695 transitions. [2024-11-03 05:42:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:09,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 147 [2024-11-03 05:42:09,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:09,735 INFO L225 Difference]: With dead ends: 2444 [2024-11-03 05:42:09,735 INFO L226 Difference]: Without dead ends: 1240 [2024-11-03 05:42:09,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:09,738 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 54 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:09,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 168 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:09,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2024-11-03 05:42:09,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1240. [2024-11-03 05:42:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1239 states have (on average 1.4947538337368846) internal successors, (1852), 1239 states have internal predecessors, (1852), 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 05:42:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1852 transitions. [2024-11-03 05:42:09,758 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1852 transitions. Word has length 147 [2024-11-03 05:42:09,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:09,759 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1852 transitions. [2024-11-03 05:42:09,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 05:42:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1852 transitions. [2024-11-03 05:42:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-03 05:42:09,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:09,761 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 05:42:09,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-03 05:42:09,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:09,962 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:09,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:09,962 INFO L85 PathProgramCache]: Analyzing trace with hash 129126179, now seen corresponding path program 1 times [2024-11-03 05:42:09,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:09,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443241939] [2024-11-03 05:42:09,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:09,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:09,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:09,964 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:09,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-03 05:42:10,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:10,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-03 05:42:10,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 173 proven. 18 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-03 05:42:10,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-03 05:42:10,094 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:10,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443241939] [2024-11-03 05:42:10,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [443241939] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:10,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:10,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:10,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532335349] [2024-11-03 05:42:10,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:10,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:10,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:10,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:10,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:10,095 INFO L87 Difference]: Start difference. First operand 1240 states and 1852 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 05:42:10,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:10,191 INFO L93 Difference]: Finished difference Result 2444 states and 3657 transitions. [2024-11-03 05:42:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:10,191 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 147 [2024-11-03 05:42:10,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:10,195 INFO L225 Difference]: With dead ends: 2444 [2024-11-03 05:42:10,195 INFO L226 Difference]: Without dead ends: 1240 [2024-11-03 05:42:10,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:10,197 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 62 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:10,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 157 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:10,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2024-11-03 05:42:10,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1240. [2024-11-03 05:42:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1239 states have (on average 1.4794188861985471) internal successors, (1833), 1239 states have internal predecessors, (1833), 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 05:42:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1833 transitions. [2024-11-03 05:42:10,221 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1833 transitions. Word has length 147 [2024-11-03 05:42:10,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:10,221 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1833 transitions. [2024-11-03 05:42:10,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 05:42:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1833 transitions. [2024-11-03 05:42:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-03 05:42:10,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:10,223 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 05:42:10,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-03 05:42:10,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:10,425 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:10,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:10,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1077589536, now seen corresponding path program 1 times [2024-11-03 05:42:10,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:10,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [517048746] [2024-11-03 05:42:10,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:10,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:10,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:10,428 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:10,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-03 05:42:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:10,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-03 05:42:10,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 180 proven. 18 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-03 05:42:10,571 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-03 05:42:10,589 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:10,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [517048746] [2024-11-03 05:42:10,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [517048746] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:10,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:10,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:10,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785164384] [2024-11-03 05:42:10,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:10,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:10,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:10,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:10,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:10,590 INFO L87 Difference]: Start difference. First operand 1240 states and 1833 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 05:42:10,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:10,677 INFO L93 Difference]: Finished difference Result 2444 states and 3619 transitions. [2024-11-03 05:42:10,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:10,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 148 [2024-11-03 05:42:10,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:10,681 INFO L225 Difference]: With dead ends: 2444 [2024-11-03 05:42:10,681 INFO L226 Difference]: Without dead ends: 1240 [2024-11-03 05:42:10,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:10,682 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 61 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:10,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 158 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:10,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2024-11-03 05:42:10,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1240. [2024-11-03 05:42:10,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1239 states have (on average 1.4640839386602098) internal successors, (1814), 1239 states have internal predecessors, (1814), 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 05:42:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1814 transitions. [2024-11-03 05:42:10,703 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1814 transitions. Word has length 148 [2024-11-03 05:42:10,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:10,703 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1814 transitions. [2024-11-03 05:42:10,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 05:42:10,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1814 transitions. [2024-11-03 05:42:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-03 05:42:10,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:10,705 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 05:42:10,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:10,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:10,907 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:10,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:10,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1822068254, now seen corresponding path program 1 times [2024-11-03 05:42:10,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:10,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852466407] [2024-11-03 05:42:10,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:10,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:10,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:10,911 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:10,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-03 05:42:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:10,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-03 05:42:10,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 187 proven. 18 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-03 05:42:11,023 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-03 05:42:11,041 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:11,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852466407] [2024-11-03 05:42:11,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [852466407] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:11,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:11,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:11,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109250780] [2024-11-03 05:42:11,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:11,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:11,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:11,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:11,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:11,042 INFO L87 Difference]: Start difference. First operand 1240 states and 1814 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 05:42:11,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:11,125 INFO L93 Difference]: Finished difference Result 2444 states and 3581 transitions. [2024-11-03 05:42:11,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:11,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 149 [2024-11-03 05:42:11,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:11,128 INFO L225 Difference]: With dead ends: 2444 [2024-11-03 05:42:11,128 INFO L226 Difference]: Without dead ends: 1240 [2024-11-03 05:42:11,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:11,130 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 60 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:11,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 159 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:11,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2024-11-03 05:42:11,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1240. [2024-11-03 05:42:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1239 states have (on average 1.4487489911218725) internal successors, (1795), 1239 states have internal predecessors, (1795), 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 05:42:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1795 transitions. [2024-11-03 05:42:11,151 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1795 transitions. Word has length 149 [2024-11-03 05:42:11,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:11,151 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1795 transitions. [2024-11-03 05:42:11,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 05:42:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1795 transitions. [2024-11-03 05:42:11,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-03 05:42:11,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:11,153 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 05:42:11,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-03 05:42:11,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:11,355 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:11,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:11,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1124681477, now seen corresponding path program 1 times [2024-11-03 05:42:11,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:11,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [257506755] [2024-11-03 05:42:11,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:11,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:11,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:11,357 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:11,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-03 05:42:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:11,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-03 05:42:11,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 194 proven. 18 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-03 05:42:11,473 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-03 05:42:11,495 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:11,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [257506755] [2024-11-03 05:42:11,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [257506755] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:42:11,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:42:11,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-03 05:42:11,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051182114] [2024-11-03 05:42:11,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:11,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:11,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:11,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:11,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:11,496 INFO L87 Difference]: Start difference. First operand 1240 states and 1795 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 05:42:11,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:11,610 INFO L93 Difference]: Finished difference Result 2444 states and 3543 transitions. [2024-11-03 05:42:11,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:11,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 150 [2024-11-03 05:42:11,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:11,615 INFO L225 Difference]: With dead ends: 2444 [2024-11-03 05:42:11,615 INFO L226 Difference]: Without dead ends: 1240 [2024-11-03 05:42:11,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:42:11,628 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 59 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:11,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 160 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:11,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2024-11-03 05:42:11,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1240. [2024-11-03 05:42:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1239 states have (on average 1.4334140435835352) internal successors, (1776), 1239 states have internal predecessors, (1776), 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 05:42:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1776 transitions. [2024-11-03 05:42:11,649 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1776 transitions. Word has length 150 [2024-11-03 05:42:11,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:11,650 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1776 transitions. [2024-11-03 05:42:11,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 05:42:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1776 transitions. [2024-11-03 05:42:11,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-03 05:42:11,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:11,652 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:11,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:11,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:11,853 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:11,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:11,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1120225133, now seen corresponding path program 1 times [2024-11-03 05:42:11,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:11,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [298684390] [2024-11-03 05:42:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:11,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:11,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:11,854 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:11,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-03 05:42:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:11,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:11,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:11,943 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-03 05:42:11,943 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-03 05:42:11,960 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:11,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [298684390] [2024-11-03 05:42:11,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [298684390] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:11,960 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:11,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:11,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104807900] [2024-11-03 05:42:11,960 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:11,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:11,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:11,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:11,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:11,961 INFO L87 Difference]: Start difference. First operand 1240 states and 1776 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 05:42:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:12,050 INFO L93 Difference]: Finished difference Result 2444 states and 3505 transitions. [2024-11-03 05:42:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:12,050 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 173 [2024-11-03 05:42:12,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:12,053 INFO L225 Difference]: With dead ends: 2444 [2024-11-03 05:42:12,054 INFO L226 Difference]: Without dead ends: 1240 [2024-11-03 05:42:12,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:12,055 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 9 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:12,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 257 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:12,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1240 states. [2024-11-03 05:42:12,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1240 to 1240. [2024-11-03 05:42:12,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1240 states, 1239 states have (on average 1.4261501210653753) internal successors, (1767), 1239 states have internal predecessors, (1767), 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 05:42:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1767 transitions. [2024-11-03 05:42:12,076 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1767 transitions. Word has length 173 [2024-11-03 05:42:12,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:12,076 INFO L471 AbstractCegarLoop]: Abstraction has 1240 states and 1767 transitions. [2024-11-03 05:42:12,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 05:42:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1767 transitions. [2024-11-03 05:42:12,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-03 05:42:12,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:12,079 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:12,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-03 05:42:12,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:12,279 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:12,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:12,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1462255264, now seen corresponding path program 1 times [2024-11-03 05:42:12,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:12,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1229429047] [2024-11-03 05:42:12,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:12,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:12,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:12,281 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:12,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-03 05:42:12,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:12,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:12,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-03 05:42:12,377 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:12,415 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-03 05:42:12,415 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:12,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1229429047] [2024-11-03 05:42:12,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1229429047] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:12,415 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:12,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:12,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331126797] [2024-11-03 05:42:12,415 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:12,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:12,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:12,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:12,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:12,416 INFO L87 Difference]: Start difference. First operand 1240 states and 1767 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 05:42:12,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:12,531 INFO L93 Difference]: Finished difference Result 1933 states and 2776 transitions. [2024-11-03 05:42:12,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:12,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 174 [2024-11-03 05:42:12,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:12,535 INFO L225 Difference]: With dead ends: 1933 [2024-11-03 05:42:12,535 INFO L226 Difference]: Without dead ends: 1357 [2024-11-03 05:42:12,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:12,538 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 9 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:12,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 234 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:12,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2024-11-03 05:42:12,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1357. [2024-11-03 05:42:12,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1357 states, 1356 states have (on average 1.4004424778761062) internal successors, (1899), 1356 states have internal predecessors, (1899), 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 05:42:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1357 states and 1899 transitions. [2024-11-03 05:42:12,560 INFO L78 Accepts]: Start accepts. Automaton has 1357 states and 1899 transitions. Word has length 174 [2024-11-03 05:42:12,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:12,561 INFO L471 AbstractCegarLoop]: Abstraction has 1357 states and 1899 transitions. [2024-11-03 05:42:12,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 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 05:42:12,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 1899 transitions. [2024-11-03 05:42:12,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-03 05:42:12,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:12,563 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:12,565 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:12,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:12,765 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:12,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:12,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1559030333, now seen corresponding path program 2 times [2024-11-03 05:42:12,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:12,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082170163] [2024-11-03 05:42:12,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:12,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:12,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:12,766 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:12,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-03 05:42:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:12,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:12,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:12,867 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-03 05:42:12,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-03 05:42:12,883 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:12,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082170163] [2024-11-03 05:42:12,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1082170163] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:12,883 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:12,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:12,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767310762] [2024-11-03 05:42:12,883 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:12,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:12,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:12,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:12,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:12,884 INFO L87 Difference]: Start difference. First operand 1357 states and 1899 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 05:42:12,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:12,961 INFO L93 Difference]: Finished difference Result 2321 states and 3248 transitions. [2024-11-03 05:42:12,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:12,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 189 [2024-11-03 05:42:12,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:12,964 INFO L225 Difference]: With dead ends: 2321 [2024-11-03 05:42:12,964 INFO L226 Difference]: Without dead ends: 1000 [2024-11-03 05:42:12,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:12,965 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 9 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:12,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 256 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:12,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1000 states. [2024-11-03 05:42:12,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1000 to 1000. [2024-11-03 05:42:12,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 999 states have (on average 1.3733733733733733) internal successors, (1372), 999 states have internal predecessors, (1372), 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 05:42:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1372 transitions. [2024-11-03 05:42:12,980 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1372 transitions. Word has length 189 [2024-11-03 05:42:12,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:12,981 INFO L471 AbstractCegarLoop]: Abstraction has 1000 states and 1372 transitions. [2024-11-03 05:42:12,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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 05:42:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1372 transitions. [2024-11-03 05:42:12,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-11-03 05:42:12,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:12,982 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 05:42:12,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:13,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:13,183 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:13,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:13,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1274204083, now seen corresponding path program 1 times [2024-11-03 05:42:13,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:13,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930513262] [2024-11-03 05:42:13,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:13,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:13,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:13,186 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:13,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-03 05:42:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:13,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-03 05:42:13,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 410 proven. 84 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-03 05:42:13,419 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 440 proven. 36 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-03 05:42:13,511 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:13,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930513262] [2024-11-03 05:42:13,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [930513262] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 05:42:13,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 05:42:13,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 14 [2024-11-03 05:42:13,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223252044] [2024-11-03 05:42:13,511 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 05:42:13,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 05:42:13,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:13,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 05:42:13,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-03 05:42:13,513 INFO L87 Difference]: Start difference. First operand 1000 states and 1372 transitions. Second operand has 14 states, 14 states have (on average 14.714285714285714) internal successors, (206), 14 states have internal predecessors, (206), 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 05:42:14,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:14,331 INFO L93 Difference]: Finished difference Result 2500 states and 3420 transitions. [2024-11-03 05:42:14,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-03 05:42:14,331 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.714285714285714) internal successors, (206), 14 states have internal predecessors, (206), 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 192 [2024-11-03 05:42:14,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:14,335 INFO L225 Difference]: With dead ends: 2500 [2024-11-03 05:42:14,335 INFO L226 Difference]: Without dead ends: 1536 [2024-11-03 05:42:14,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=288, Unknown=0, NotChecked=0, Total=380 [2024-11-03 05:42:14,336 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 372 mSDsluCounter, 1787 mSDsCounter, 0 mSdLazyCounter, 2069 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 2068 SdHoareTripleChecker+Invalid, 2111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:14,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 2068 Invalid, 2111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2069 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-03 05:42:14,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-11-03 05:42:14,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1380. [2024-11-03 05:42:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 1379 states have (on average 1.3444525018129079) internal successors, (1854), 1379 states have internal predecessors, (1854), 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 05:42:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1854 transitions. [2024-11-03 05:42:14,360 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1854 transitions. Word has length 192 [2024-11-03 05:42:14,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:14,360 INFO L471 AbstractCegarLoop]: Abstraction has 1380 states and 1854 transitions. [2024-11-03 05:42:14,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.714285714285714) internal successors, (206), 14 states have internal predecessors, (206), 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 05:42:14,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1854 transitions. [2024-11-03 05:42:14,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2024-11-03 05:42:14,363 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:14,364 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 8, 8, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:14,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-03 05:42:14,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:14,566 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:14,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:14,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2006911156, now seen corresponding path program 1 times [2024-11-03 05:42:14,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:14,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913648146] [2024-11-03 05:42:14,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:14,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:14,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:14,568 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:14,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-03 05:42:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:14,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:14,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-03 05:42:14,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 426 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-03 05:42:14,720 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:14,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913648146] [2024-11-03 05:42:14,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [913648146] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:14,720 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:14,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:14,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270629621] [2024-11-03 05:42:14,720 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:14,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:14,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:14,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:14,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:14,721 INFO L87 Difference]: Start difference. First operand 1380 states and 1854 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 05:42:14,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:14,814 INFO L93 Difference]: Finished difference Result 2881 states and 3905 transitions. [2024-11-03 05:42:14,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:14,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 250 [2024-11-03 05:42:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:14,818 INFO L225 Difference]: With dead ends: 2881 [2024-11-03 05:42:14,818 INFO L226 Difference]: Without dead ends: 1560 [2024-11-03 05:42:14,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:14,820 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 10 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:14,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 256 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:14,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2024-11-03 05:42:14,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 1560. [2024-11-03 05:42:14,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1560 states, 1559 states have (on average 1.3207184092366901) internal successors, (2059), 1559 states have internal predecessors, (2059), 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 05:42:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2059 transitions. [2024-11-03 05:42:14,847 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 2059 transitions. Word has length 250 [2024-11-03 05:42:14,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:14,847 INFO L471 AbstractCegarLoop]: Abstraction has 1560 states and 2059 transitions. [2024-11-03 05:42:14,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 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 05:42:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2059 transitions. [2024-11-03 05:42:14,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-03 05:42:14,849 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:14,849 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:14,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:15,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:15,050 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:15,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:15,050 INFO L85 PathProgramCache]: Analyzing trace with hash 2133379494, now seen corresponding path program 1 times [2024-11-03 05:42:15,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:15,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934395729] [2024-11-03 05:42:15,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:15,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:15,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:15,053 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:15,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-03 05:42:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:15,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:15,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:15,167 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 575 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-03 05:42:15,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 575 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-03 05:42:15,194 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:15,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934395729] [2024-11-03 05:42:15,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1934395729] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:15,194 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:15,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:15,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133693145] [2024-11-03 05:42:15,195 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:15,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:15,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:15,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:15,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:15,195 INFO L87 Difference]: Start difference. First operand 1560 states and 2059 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 05:42:15,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:15,297 INFO L93 Difference]: Finished difference Result 3201 states and 4235 transitions. [2024-11-03 05:42:15,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:15,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 254 [2024-11-03 05:42:15,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:15,301 INFO L225 Difference]: With dead ends: 3201 [2024-11-03 05:42:15,301 INFO L226 Difference]: Without dead ends: 1700 [2024-11-03 05:42:15,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:15,302 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 9 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:15,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 257 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:15,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1700 states. [2024-11-03 05:42:15,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1700 to 1700. [2024-11-03 05:42:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1700 states, 1699 states have (on average 1.3090052972336668) internal successors, (2224), 1699 states have internal predecessors, (2224), 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 05:42:15,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 1700 states and 2224 transitions. [2024-11-03 05:42:15,337 INFO L78 Accepts]: Start accepts. Automaton has 1700 states and 2224 transitions. Word has length 254 [2024-11-03 05:42:15,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:15,337 INFO L471 AbstractCegarLoop]: Abstraction has 1700 states and 2224 transitions. [2024-11-03 05:42:15,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 05:42:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2224 transitions. [2024-11-03 05:42:15,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-03 05:42:15,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:15,343 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:15,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-03 05:42:15,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:15,543 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:15,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:15,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1185327528, now seen corresponding path program 1 times [2024-11-03 05:42:15,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:15,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019526864] [2024-11-03 05:42:15,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:15,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:15,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:15,545 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:15,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-03 05:42:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:15,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:15,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 575 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-03 05:42:15,658 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 575 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-03 05:42:15,686 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:15,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019526864] [2024-11-03 05:42:15,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2019526864] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:15,686 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:15,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:15,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634888470] [2024-11-03 05:42:15,686 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:15,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:15,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:15,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:15,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:15,688 INFO L87 Difference]: Start difference. First operand 1700 states and 2224 transitions. Second operand has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 05:42:15,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:15,795 INFO L93 Difference]: Finished difference Result 3496 states and 4600 transitions. [2024-11-03 05:42:15,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:15,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 254 [2024-11-03 05:42:15,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:15,799 INFO L225 Difference]: With dead ends: 3496 [2024-11-03 05:42:15,799 INFO L226 Difference]: Without dead ends: 1855 [2024-11-03 05:42:15,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:15,801 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 9 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:15,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 258 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:15,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2024-11-03 05:42:15,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1855. [2024-11-03 05:42:15,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1855 states, 1854 states have (on average 1.296655879180151) internal successors, (2404), 1854 states have internal predecessors, (2404), 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 05:42:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2404 transitions. [2024-11-03 05:42:15,845 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2404 transitions. Word has length 254 [2024-11-03 05:42:15,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:15,845 INFO L471 AbstractCegarLoop]: Abstraction has 1855 states and 2404 transitions. [2024-11-03 05:42:15,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 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 05:42:15,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2404 transitions. [2024-11-03 05:42:15,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-03 05:42:15,847 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:15,848 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:15,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:16,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:16,048 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:16,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:16,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1260398022, now seen corresponding path program 1 times [2024-11-03 05:42:16,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:16,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1346811101] [2024-11-03 05:42:16,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:16,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:16,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:16,051 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:16,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-03 05:42:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:16,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:16,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:16,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 671 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-11-03 05:42:16,178 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:16,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1092 backedges. 671 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-11-03 05:42:16,202 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:16,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1346811101] [2024-11-03 05:42:16,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1346811101] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:16,202 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:16,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:16,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436827141] [2024-11-03 05:42:16,202 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:16,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:16,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:16,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:16,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:16,203 INFO L87 Difference]: Start difference. First operand 1855 states and 2404 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 05:42:16,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:16,299 INFO L93 Difference]: Finished difference Result 3816 states and 4980 transitions. [2024-11-03 05:42:16,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:16,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 284 [2024-11-03 05:42:16,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:16,304 INFO L225 Difference]: With dead ends: 3816 [2024-11-03 05:42:16,304 INFO L226 Difference]: Without dead ends: 2020 [2024-11-03 05:42:16,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:16,306 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 9 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:16,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 258 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:16,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2020 states. [2024-11-03 05:42:16,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2020 to 2020. [2024-11-03 05:42:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2020 states, 2019 states have (on average 1.2847944526993562) internal successors, (2594), 2019 states have internal predecessors, (2594), 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 05:42:16,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 2020 states and 2594 transitions. [2024-11-03 05:42:16,338 INFO L78 Accepts]: Start accepts. Automaton has 2020 states and 2594 transitions. Word has length 284 [2024-11-03 05:42:16,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:16,338 INFO L471 AbstractCegarLoop]: Abstraction has 2020 states and 2594 transitions. [2024-11-03 05:42:16,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 05:42:16,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2594 transitions. [2024-11-03 05:42:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2024-11-03 05:42:16,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:16,341 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:16,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:16,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:16,541 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:16,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:16,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1472025265, now seen corresponding path program 1 times [2024-11-03 05:42:16,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:16,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956223139] [2024-11-03 05:42:16,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:16,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:16,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:16,543 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:16,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-03 05:42:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:16,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 05:42:16,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 771 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-03 05:42:16,681 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:16,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1311 backedges. 771 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-03 05:42:16,739 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:16,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956223139] [2024-11-03 05:42:16,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [956223139] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:42:16,739 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:42:16,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-03 05:42:16,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142907136] [2024-11-03 05:42:16,740 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:42:16,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-03 05:42:16,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:16,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-03 05:42:16,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:16,741 INFO L87 Difference]: Start difference. First operand 2020 states and 2594 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 05:42:16,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:16,876 INFO L93 Difference]: Finished difference Result 4166 states and 5400 transitions. [2024-11-03 05:42:16,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-03 05:42:16,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 319 [2024-11-03 05:42:16,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:16,883 INFO L225 Difference]: With dead ends: 4166 [2024-11-03 05:42:16,883 INFO L226 Difference]: Without dead ends: 2205 [2024-11-03 05:42:16,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 636 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-03 05:42:16,885 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 10 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:16,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 252 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 05:42:16,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2205 states. [2024-11-03 05:42:16,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2205 to 2205. [2024-11-03 05:42:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2205 states, 2204 states have (on average 1.2722323049001816) internal successors, (2804), 2204 states have internal predecessors, (2804), 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 05:42:16,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 2205 states and 2804 transitions. [2024-11-03 05:42:16,924 INFO L78 Accepts]: Start accepts. Automaton has 2205 states and 2804 transitions. Word has length 319 [2024-11-03 05:42:16,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:16,924 INFO L471 AbstractCegarLoop]: Abstraction has 2205 states and 2804 transitions. [2024-11-03 05:42:16,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 05:42:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 2804 transitions. [2024-11-03 05:42:16,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-03 05:42:16,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:16,928 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:16,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-03 05:42:17,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:17,129 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:17,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:17,129 INFO L85 PathProgramCache]: Analyzing trace with hash 729797216, now seen corresponding path program 1 times [2024-11-03 05:42:17,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:17,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824743482] [2024-11-03 05:42:17,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:17,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:17,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:17,131 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:17,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-03 05:42:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:17,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 82 conjuncts are in the unsatisfiable core [2024-11-03 05:42:17,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:17,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 847 proven. 228 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2024-11-03 05:42:17,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:17,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 903 proven. 10 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-03 05:42:17,461 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:17,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824743482] [2024-11-03 05:42:17,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [824743482] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 05:42:17,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 05:42:17,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 4] total 17 [2024-11-03 05:42:17,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016108125] [2024-11-03 05:42:17,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 05:42:17,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-03 05:42:17,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:17,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-03 05:42:17,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-03 05:42:17,462 INFO L87 Difference]: Start difference. First operand 2205 states and 2804 transitions. Second operand has 17 states, 17 states have (on average 16.529411764705884) internal successors, (281), 17 states have internal predecessors, (281), 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 05:42:19,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:19,746 INFO L93 Difference]: Finished difference Result 5005 states and 6378 transitions. [2024-11-03 05:42:19,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-03 05:42:19,747 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 16.529411764705884) internal successors, (281), 17 states have internal predecessors, (281), 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 355 [2024-11-03 05:42:19,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:19,751 INFO L225 Difference]: With dead ends: 5005 [2024-11-03 05:42:19,751 INFO L226 Difference]: Without dead ends: 2859 [2024-11-03 05:42:19,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 744 GetRequests, 711 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2024-11-03 05:42:19,752 INFO L432 NwaCegarLoop]: 495 mSDtfsCounter, 658 mSDsluCounter, 5210 mSDsCounter, 0 mSdLazyCounter, 8340 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 5705 SdHoareTripleChecker+Invalid, 8416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 8340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:19,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 5705 Invalid, 8416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 8340 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-03 05:42:19,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2859 states. [2024-11-03 05:42:19,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2859 to 2296. [2024-11-03 05:42:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2296 states, 2295 states have (on average 1.2474945533769064) internal successors, (2863), 2295 states have internal predecessors, (2863), 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 05:42:19,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 2863 transitions. [2024-11-03 05:42:19,785 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 2863 transitions. Word has length 355 [2024-11-03 05:42:19,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:19,785 INFO L471 AbstractCegarLoop]: Abstraction has 2296 states and 2863 transitions. [2024-11-03 05:42:19,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 16.529411764705884) internal successors, (281), 17 states have internal predecessors, (281), 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 05:42:19,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 2863 transitions. [2024-11-03 05:42:19,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2024-11-03 05:42:19,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:42:19,788 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 13, 12, 10, 10, 10, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:42:19,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-03 05:42:19,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:19,989 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:42:19,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:42:19,989 INFO L85 PathProgramCache]: Analyzing trace with hash 589182105, now seen corresponding path program 1 times [2024-11-03 05:42:19,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:42:19,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [198110001] [2024-11-03 05:42:19,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:42:19,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:19,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:42:19,991 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 05:42:19,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-03 05:42:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:42:20,089 INFO L255 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-03 05:42:20,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:42:20,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 1029 proven. 105 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-03 05:42:20,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:42:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 1073 proven. 11 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-11-03 05:42:20,274 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:42:20,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [198110001] [2024-11-03 05:42:20,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [198110001] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 05:42:20,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 05:42:20,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 4] total 14 [2024-11-03 05:42:20,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510597709] [2024-11-03 05:42:20,274 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 05:42:20,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 05:42:20,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:42:20,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 05:42:20,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-03 05:42:20,275 INFO L87 Difference]: Start difference. First operand 2296 states and 2863 transitions. Second operand has 14 states, 14 states have (on average 20.428571428571427) internal successors, (286), 14 states have internal predecessors, (286), 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 05:42:21,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:42:21,016 INFO L93 Difference]: Finished difference Result 3164 states and 3951 transitions. [2024-11-03 05:42:21,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-03 05:42:21,016 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.428571428571427) internal successors, (286), 14 states have internal predecessors, (286), 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 395 [2024-11-03 05:42:21,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:42:21,017 INFO L225 Difference]: With dead ends: 3164 [2024-11-03 05:42:21,017 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 05:42:21,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 800 GetRequests, 782 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2024-11-03 05:42:21,019 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 519 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 2525 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 2603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 2525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-03 05:42:21,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1557 Invalid, 2603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 2525 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-03 05:42:21,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 05:42:21,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 05:42:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 05:42:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 05:42:21,020 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 395 [2024-11-03 05:42:21,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:42:21,020 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 05:42:21,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.428571428571427) internal successors, (286), 14 states have internal predecessors, (286), 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 05:42:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 05:42:21,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 05:42:21,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 05:42:21,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-03 05:42:21,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 05:42:21,226 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 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 05:42:21,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 05:42:21,762 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 05:42:21,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:42:21 BoogieIcfgContainer [2024-11-03 05:42:21,783 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 05:42:21,784 INFO L158 Benchmark]: Toolchain (without parser) took 19987.93ms. Allocated memory was 203.4MB in the beginning and 426.8MB in the end (delta: 223.3MB). Free memory was 151.0MB in the beginning and 217.4MB in the end (delta: -66.3MB). Peak memory consumption was 158.1MB. Max. memory is 8.0GB. [2024-11-03 05:42:21,784 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 203.4MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 05:42:21,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.89ms. Allocated memory is still 203.4MB. Free memory was 150.5MB in the beginning and 133.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-03 05:42:21,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.03ms. Allocated memory is still 203.4MB. Free memory was 133.2MB in the beginning and 130.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 05:42:21,784 INFO L158 Benchmark]: Boogie Preprocessor took 42.94ms. Allocated memory is still 203.4MB. Free memory was 130.6MB in the beginning and 127.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 05:42:21,784 INFO L158 Benchmark]: RCFGBuilder took 518.44ms. Allocated memory is still 203.4MB. Free memory was 127.4MB in the beginning and 90.7MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2024-11-03 05:42:21,784 INFO L158 Benchmark]: TraceAbstraction took 19099.90ms. Allocated memory was 203.4MB in the beginning and 426.8MB in the end (delta: 223.3MB). Free memory was 90.2MB in the beginning and 217.4MB in the end (delta: -127.1MB). Peak memory consumption was 97.2MB. Max. memory is 8.0GB. [2024-11-03 05:42:21,786 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 203.4MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 283.89ms. Allocated memory is still 203.4MB. Free memory was 150.5MB in the beginning and 133.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.03ms. Allocated memory is still 203.4MB. Free memory was 133.2MB in the beginning and 130.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.94ms. Allocated memory is still 203.4MB. Free memory was 130.6MB in the beginning and 127.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 518.44ms. Allocated memory is still 203.4MB. Free memory was 127.4MB in the beginning and 90.7MB in the end (delta: 36.7MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. * TraceAbstraction took 19099.90ms. Allocated memory was 203.4MB in the beginning and 426.8MB in the end (delta: 223.3MB). Free memory was 90.2MB in the beginning and 217.4MB in the end (delta: -127.1MB). Peak memory consumption was 97.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 618]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 125 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.5s, OverallIterations: 30, TraceHistogramMax: 16, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 6.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2724 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2724 mSDsluCounter, 15378 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10530 mSDsCounter, 537 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15448 IncrementalHoareTripleChecker+Invalid, 15985 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 537 mSolverCounterUnsat, 4848 mSDtfsCounter, 15448 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9638 GetRequests, 9481 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2296occurred in iteration=29, InterpolantAutomatonStates: 152, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 30 MinimizatonAttempts, 721 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 4819 NumberOfCodeBlocks, 4819 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 9578 ConstructedInterpolants, 0 QuantifiedInterpolants, 13748 SizeOfPredicates, 354 NumberOfNonLiveVariables, 5982 ConjunctsInSsa, 706 ConjunctsInUnsatCore, 60 InterpolantComputations, 40 PerfectInterpolantSequences, 25426/26198 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((61087 == ag_Y) && (5 != blastFlag)) && (65535 == ag_X)) && (4560 == s__s3__tmp__next_state___0)) && (4352 == s__state)) && (3 != blastFlag)) || (((((4432 == s__state) && (61087 == ag_Y)) && (5 != blastFlag)) && (65535 == ag_X)) && (3 != blastFlag))) || (((((61087 == ag_Y) && (5 != blastFlag)) && (65535 == ag_X)) && (4512 == s__state)) && (3 != blastFlag))) || ((((5 != blastFlag) && (4560 == s__state)) && (0 != s__hit)) && (3 != blastFlag))) || (((((4448 == s__state) && (61087 == ag_Y)) && (5 != blastFlag)) && (65535 == ag_X)) && (3 != blastFlag))) || (((((5 != blastFlag) && (0 != s__hit)) && (3 == s__state)) && (3 == s__s3__tmp__next_state___0)) && (3 != blastFlag))) || ((0 == blastFlag) && (12292 == s__state))) || ((((5 != blastFlag) && (4528 == s__state)) && (0 != s__hit)) && (3 != blastFlag))) || (((61087 == ag_Y) && (5 != blastFlag)) && (4416 == s__state))) || ((((5 != blastFlag) && (4512 == s__state)) && (0 != s__hit)) && (3 != blastFlag))) || (((((61087 == ag_Y) && (5 != blastFlag)) && (65535 == ag_X)) && (4496 == s__state)) && (3 != blastFlag))) || (((((61087 == ag_Y) && (5 != blastFlag)) && (65535 == ag_X)) && (4528 == s__state)) && (3 != blastFlag))) || (((((61087 == ag_Y) && (5 != blastFlag)) && (65535 == ag_X)) && (4464 == s__state)) && (3 != blastFlag))) || (((5 != blastFlag) && (4400 == s__state)) && (3 != blastFlag))) || ((4368 == s__state) && (0 == blastFlag))) || (((((5 != blastFlag) && (0 != s__hit)) && (4352 == s__state)) && (3 == s__s3__tmp__next_state___0)) && (3 != blastFlag))) || ((((((61087 == ag_Y) && (5 != blastFlag)) && (4560 == s__state)) && (65535 == ag_X)) && (4560 == s__s3__tmp__next_state___0)) && (3 != blastFlag))) || (((4384 == s__state) && (5 != blastFlag)) && (3 != blastFlag))) || (((((61087 == ag_Y) && (5 != blastFlag)) && (65535 == ag_X)) && (4480 == s__state)) && (3 != blastFlag))) || ((((((61087 == ag_Y) && (5 != blastFlag)) && (65535 == ag_X)) && (4560 == s__s3__tmp__next_state___0)) && (3 == s__state)) && (3 != blastFlag))) RESULT: Ultimate proved your program to be correct! [2024-11-03 05:42:21,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...