/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/hardness-nfm22/hardness_operatoramount_amount25_file-15.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:05:29,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:05:29,782 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 05:05:29,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:05:29,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:05:29,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:05:29,821 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:05:29,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:05:29,822 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:05:29,822 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:05:29,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:05:29,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:05:29,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:05:29,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:05:29,828 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:05:29,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:05:29,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:05:29,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:05:29,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:05:29,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:05:29,829 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:05:29,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:05:29,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:05:29,832 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:05:29,832 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:05:29,832 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:05:29,833 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:05:29,833 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:05:29,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:05:29,833 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:05:29,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:05:29,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:05:29,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:05:29,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:05:29,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:05:29,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:05:29,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:05:29,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:05:29,835 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:05:29,836 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:05:29,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:05:29,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:05:29,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:05:29,837 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:05:29,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:05:30,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:05:30,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:05:30,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:05:30,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:05:30,091 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:05:30,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2024-11-03 05:05:31,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:05:31,635 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:05:31,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2024-11-03 05:05:31,642 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b17bbc18/86b4720cc06642a2925e419ba0785b59/FLAGe857fcfec [2024-11-03 05:05:32,030 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b17bbc18/86b4720cc06642a2925e419ba0785b59 [2024-11-03 05:05:32,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:05:32,033 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:05:32,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:05:32,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:05:32,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:05:32,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d884054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32, skipping insertion in model container [2024-11-03 05:05:32,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:05:32,244 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2024-11-03 05:05:32,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:05:32,298 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:05:32,311 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2024-11-03 05:05:32,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:05:32,349 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:05:32,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32 WrapperNode [2024-11-03 05:05:32,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:05:32,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:05:32,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:05:32,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:05:32,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,384 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-03 05:05:32,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:05:32,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:05:32,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:05:32,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:05:32,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,399 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,410 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 05:05:32,410 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,411 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:05:32,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:05:32,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:05:32,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:05:32,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (1/1) ... [2024-11-03 05:05:32,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:05:32,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:05:32,474 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 05:05:32,484 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 05:05:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:05:32,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:05:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 05:05:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 05:05:32,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:05:32,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:05:32,600 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:05:32,603 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:05:32,849 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-03 05:05:32,849 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:05:32,865 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:05:32,865 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:05:32,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:05:32 BoogieIcfgContainer [2024-11-03 05:05:32,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:05:32,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:05:32,872 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:05:32,875 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:05:32,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:05:32" (1/3) ... [2024-11-03 05:05:32,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671cba21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:05:32, skipping insertion in model container [2024-11-03 05:05:32,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:05:32" (2/3) ... [2024-11-03 05:05:32,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@671cba21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:05:32, skipping insertion in model container [2024-11-03 05:05:32,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:05:32" (3/3) ... [2024-11-03 05:05:32,880 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-15.i [2024-11-03 05:05:32,897 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:05:32,897 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:05:33,001 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:05:33,008 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;@7b09a1d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:05:33,009 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:05:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-03 05:05:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-03 05:05:33,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:05:33,023 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:33,024 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:05:33,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:05:33,030 INFO L85 PathProgramCache]: Analyzing trace with hash 2034627107, now seen corresponding path program 1 times [2024-11-03 05:05:33,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:05:33,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805025191] [2024-11-03 05:05:33,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:05:33,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:05:33,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:05:33,046 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 05:05:33,048 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 05:05:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:05:33,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 05:05:33,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:05:33,213 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-03 05:05:33,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:05:33,284 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-03 05:05:33,285 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:05:33,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805025191] [2024-11-03 05:05:33,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1805025191] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:05:33,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:05:33,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 05:05:33,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660648545] [2024-11-03 05:05:33,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:05:33,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 05:05:33,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:05:33,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 05:05:33,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:05:33,325 INFO L87 Difference]: Start difference. First operand has 40 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 29 states have internal predecessors, (39), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-03 05:05:33,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:05:33,354 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2024-11-03 05:05:33,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 05:05:33,357 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 62 [2024-11-03 05:05:33,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:05:33,365 INFO L225 Difference]: With dead ends: 73 [2024-11-03 05:05:33,365 INFO L226 Difference]: Without dead ends: 36 [2024-11-03 05:05:33,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:05:33,374 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 05:05:33,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:05:33,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-03 05:05:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-03 05:05:33,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-03 05:05:33,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2024-11-03 05:05:33,420 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 62 [2024-11-03 05:05:33,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:05:33,420 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-11-03 05:05:33,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-03 05:05:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-11-03 05:05:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-03 05:05:33,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:05:33,426 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:33,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 05:05:33,626 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 05:05:33,627 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:05:33,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:05:33,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2090256293, now seen corresponding path program 1 times [2024-11-03 05:05:33,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:05:33,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1540543280] [2024-11-03 05:05:33,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:05:33,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:05:33,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:05:33,632 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 05:05:33,633 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 05:05:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:05:33,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-03 05:05:33,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:05:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 05:05:34,599 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:05:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 05:05:35,226 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:05:35,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1540543280] [2024-11-03 05:05:35,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1540543280] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:05:35,226 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:05:35,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2024-11-03 05:05:35,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593203975] [2024-11-03 05:05:35,227 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:05:35,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-03 05:05:35,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:05:35,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-03 05:05:35,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:05:35,230 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-03 05:05:35,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:05:35,650 INFO L93 Difference]: Finished difference Result 156 states and 208 transitions. [2024-11-03 05:05:35,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 05:05:35,651 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 62 [2024-11-03 05:05:35,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:05:35,653 INFO L225 Difference]: With dead ends: 156 [2024-11-03 05:05:35,653 INFO L226 Difference]: Without dead ends: 123 [2024-11-03 05:05:35,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-03 05:05:35,658 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 113 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 05:05:35,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 283 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 05:05:35,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-03 05:05:35,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 63. [2024-11-03 05:05:35,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 42 states have internal predecessors, (50), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-03 05:05:35,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2024-11-03 05:05:35,690 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 62 [2024-11-03 05:05:35,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:05:35,690 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2024-11-03 05:05:35,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-03 05:05:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2024-11-03 05:05:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-03 05:05:35,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:05:35,692 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:35,695 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 05:05:35,892 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 05:05:35,893 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:05:35,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:05:35,894 INFO L85 PathProgramCache]: Analyzing trace with hash -582413953, now seen corresponding path program 1 times [2024-11-03 05:05:35,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:05:35,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1605325994] [2024-11-03 05:05:35,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:05:35,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:05:35,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:05:35,898 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 05:05:35,900 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 05:05:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:05:36,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-03 05:05:36,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:05:38,103 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-03 05:05:38,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:05:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-03 05:05:41,004 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:05:41,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1605325994] [2024-11-03 05:05:41,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1605325994] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:05:41,005 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:05:41,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 10] imperfect sequences [] total 20 [2024-11-03 05:05:41,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353339712] [2024-11-03 05:05:41,005 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:05:41,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-03 05:05:41,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:05:41,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-03 05:05:41,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2024-11-03 05:05:41,011 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand has 20 states, 20 states have (on average 2.35) internal successors, (47), 20 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-03 05:05:47,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-03 05:05:47,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:05:47,894 INFO L93 Difference]: Finished difference Result 195 states and 240 transitions. [2024-11-03 05:05:47,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-03 05:05:47,895 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.35) internal successors, (47), 20 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) Word has length 63 [2024-11-03 05:05:47,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:05:47,897 INFO L225 Difference]: With dead ends: 195 [2024-11-03 05:05:47,898 INFO L226 Difference]: Without dead ends: 193 [2024-11-03 05:05:47,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=386, Invalid=1254, Unknown=0, NotChecked=0, Total=1640 [2024-11-03 05:05:47,900 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 279 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 127 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-03 05:05:47,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 332 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 491 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-03 05:05:47,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-03 05:05:47,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 124. [2024-11-03 05:05:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 84 states have (on average 1.1428571428571428) internal successors, (96), 85 states have internal predecessors, (96), 31 states have call successors, (31), 8 states have call predecessors, (31), 8 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-03 05:05:47,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 158 transitions. [2024-11-03 05:05:47,929 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 158 transitions. Word has length 63 [2024-11-03 05:05:47,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:05:47,930 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 158 transitions. [2024-11-03 05:05:47,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.35) internal successors, (47), 20 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-03 05:05:47,930 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2024-11-03 05:05:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-03 05:05:47,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:05:47,934 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:05:47,938 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 05:05:48,134 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 05:05:48,135 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:05:48,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:05:48,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1668570716, now seen corresponding path program 1 times [2024-11-03 05:05:48,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:05:48,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722670306] [2024-11-03 05:05:48,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:05:48,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:05:48,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:05:48,140 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 05:05:48,142 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 05:05:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:05:48,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-03 05:05:48,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:05:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 05:05:48,566 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:05:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-03 05:05:48,733 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:05:48,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722670306] [2024-11-03 05:05:48,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1722670306] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:05:48,733 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:05:48,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 3] imperfect sequences [] total 7 [2024-11-03 05:05:48,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880685771] [2024-11-03 05:05:48,734 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:05:48,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 05:05:48,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:05:48,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 05:05:48,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:05:48,739 INFO L87 Difference]: Start difference. First operand 124 states and 158 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-03 05:05:48,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:05:48,968 INFO L93 Difference]: Finished difference Result 209 states and 262 transitions. [2024-11-03 05:05:48,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 05:05:48,971 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 64 [2024-11-03 05:05:48,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:05:48,973 INFO L225 Difference]: With dead ends: 209 [2024-11-03 05:05:48,973 INFO L226 Difference]: Without dead ends: 120 [2024-11-03 05:05:48,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-03 05:05:48,977 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 32 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:05:48,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 172 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:05:48,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-03 05:05:48,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 107. [2024-11-03 05:05:48,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 71 states have (on average 1.0845070422535212) internal successors, (77), 71 states have internal predecessors, (77), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-03 05:05:48,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 131 transitions. [2024-11-03 05:05:49,001 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 131 transitions. Word has length 64 [2024-11-03 05:05:49,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:05:49,001 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 131 transitions. [2024-11-03 05:05:49,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-03 05:05:49,002 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2024-11-03 05:05:49,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-03 05:05:49,004 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:05:49,004 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 05:05:49,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-03 05:05:49,206 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 05:05:49,206 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:05:49,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:05:49,207 INFO L85 PathProgramCache]: Analyzing trace with hash 759794823, now seen corresponding path program 1 times [2024-11-03 05:05:49,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:05:49,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [125667891] [2024-11-03 05:05:49,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:05:49,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:05:49,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:05:49,210 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 05:05:49,212 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 05:05:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:05:49,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-03 05:05:49,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:05:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 53 proven. 346 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-03 05:05:50,892 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:05:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 57 proven. 3 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-11-03 05:05:52,469 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:05:52,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [125667891] [2024-11-03 05:05:52,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [125667891] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 05:05:52,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 05:05:52,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6] total 20 [2024-11-03 05:05:52,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113103543] [2024-11-03 05:05:52,469 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 05:05:52,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-03 05:05:52,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:05:52,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-03 05:05:52,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2024-11-03 05:05:52,471 INFO L87 Difference]: Start difference. First operand 107 states and 131 transitions. Second operand has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 states have internal predecessors, (74), 5 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-03 05:05:53,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:05:53,908 INFO L93 Difference]: Finished difference Result 160 states and 190 transitions. [2024-11-03 05:05:53,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-03 05:05:53,909 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 states have internal predecessors, (74), 5 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) Word has length 123 [2024-11-03 05:05:53,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:05:53,910 INFO L225 Difference]: With dead ends: 160 [2024-11-03 05:05:53,910 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 05:05:53,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=290, Invalid=1116, Unknown=0, NotChecked=0, Total=1406 [2024-11-03 05:05:53,912 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 122 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 05:05:53,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 184 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 05:05:53,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 05:05:53,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 05:05:53,913 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 05:05:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 05:05:53,914 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2024-11-03 05:05:53,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:05:53,914 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 05:05:53,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.7) internal successors, (74), 20 states have internal predecessors, (74), 5 states have call successors, (28), 4 states have call predecessors, (28), 6 states have return successors, (29), 6 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-03 05:05:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 05:05:53,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 05:05:53,919 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 05:05:53,923 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 05:05:54,120 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 05:05:54,123 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-03 05:05:54,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 05:05:56,002 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 05:05:56,014 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,015 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,015 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,015 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,015 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:05:56,015 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-03 05:05:56,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:05:56,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~64 [2024-11-03 05:05:56,016 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:05:56,017 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,035 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:05:56,035 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,035 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:05:56,035 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,036 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,036 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,036 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,036 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,036 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:05:56,036 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,036 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:05:56,037 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,037 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:05:56,037 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,037 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,037 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,037 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,037 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,038 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:05:56,038 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:05:56,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:05:56 BoogieIcfgContainer [2024-11-03 05:05:56,044 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 05:05:56,044 INFO L158 Benchmark]: Toolchain (without parser) took 24011.05ms. Allocated memory was 376.4MB in the beginning and 628.1MB in the end (delta: 251.7MB). Free memory was 317.3MB in the beginning and 551.4MB in the end (delta: -234.1MB). Peak memory consumption was 350.1MB. Max. memory is 8.0GB. [2024-11-03 05:05:56,045 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 200.3MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 05:05:56,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.97ms. Allocated memory is still 376.4MB. Free memory was 317.0MB in the beginning and 303.0MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 05:05:56,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.27ms. Allocated memory is still 376.4MB. Free memory was 303.0MB in the beginning and 301.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 05:05:56,049 INFO L158 Benchmark]: Boogie Preprocessor took 43.72ms. Allocated memory is still 376.4MB. Free memory was 301.1MB in the beginning and 298.4MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 05:05:56,049 INFO L158 Benchmark]: RCFGBuilder took 435.36ms. Allocated memory is still 376.4MB. Free memory was 298.4MB in the beginning and 284.1MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 05:05:56,049 INFO L158 Benchmark]: TraceAbstraction took 23172.31ms. Allocated memory was 376.4MB in the beginning and 628.1MB in the end (delta: 251.7MB). Free memory was 283.4MB in the beginning and 551.4MB in the end (delta: -268.0MB). Peak memory consumption was 316.6MB. Max. memory is 8.0GB. [2024-11-03 05:05:56,051 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 200.3MB. Free memory is still 153.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 312.97ms. Allocated memory is still 376.4MB. Free memory was 317.0MB in the beginning and 303.0MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.27ms. Allocated memory is still 376.4MB. Free memory was 303.0MB in the beginning and 301.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.72ms. Allocated memory is still 376.4MB. Free memory was 301.1MB in the beginning and 298.4MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 435.36ms. Allocated memory is still 376.4MB. Free memory was 298.4MB in the beginning and 284.1MB in the end (delta: 14.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 23172.31ms. Allocated memory was 376.4MB in the beginning and 628.1MB in the end (delta: 251.7MB). Free memory was 283.4MB in the beginning and 551.4MB in the end (delta: -268.0MB). Peak memory consumption was 316.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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: 19]: 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 2 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.1s, OverallIterations: 5, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 546 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 546 mSDsluCounter, 1020 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 795 mSDsCounter, 330 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1124 IncrementalHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 330 mSolverCounterUnsat, 225 mSDtfsCounter, 1124 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 791 GetRequests, 695 SyntacticMatches, 2 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 142 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 374 NumberOfCodeBlocks, 374 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 4167 SizeOfPredicates, 140 NumberOfNonLiveVariables, 647 ConjunctsInSsa, 200 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 2055/2420 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: 89]: Loop Invariant Derived loop invariant: (((((((var_1_9 == 2) && (2 == last_1_var_1_9)) && (0 == var_1_11)) && (1 == var_1_10)) && (last_1_var_1_10 == 1)) || (((((((var_1_1 == var_1_8) && (var_1_9 == 2)) && (2 == last_1_var_1_9)) && (var_1_13 == var_1_12)) && (0 == var_1_11)) && (0 == var_1_10)) && (last_1_var_1_10 == 1))) || (((((((var_1_9 == 2) && (2 == last_1_var_1_9)) && (var_1_13 == var_1_12)) && (0 == var_1_11)) && (last_1_var_1_10 == 0)) && (var_1_8 == var_1_1)) && (0 == var_1_10))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: ((((((var_1_9 == 2) && (2 == last_1_var_1_9)) && (last_1_var_1_10 == 0)) && (0 == var_1_10)) || (((((var_1_9 == 2) && (2 == last_1_var_1_9)) && (0 == var_1_11)) && (1 == var_1_10)) && (last_1_var_1_10 == 1))) || ((((var_1_9 == 2) && (2 == last_1_var_1_9)) && (1 == var_1_10)) && (last_1_var_1_10 == 1))) Ensures: (((0 != cond) && ((((((var_1_9 == 2) && (2 == last_1_var_1_9)) && (last_1_var_1_10 == 0)) && (0 == var_1_10)) || (((((var_1_9 == 2) && (2 == last_1_var_1_9)) && (0 == var_1_11)) && (1 == var_1_10)) && (last_1_var_1_10 == 1))) || ((((var_1_9 == 2) && (2 == last_1_var_1_9)) && (1 == var_1_10)) && (last_1_var_1_10 == 1)))) && ((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (last_1_var_1_9 == \old(last_1_var_1_9))) && (last_1_var_1_10 == \old(last_1_var_1_10)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 05:05:56,208 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...