/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-9.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 05:15:27,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 05:15:27,725 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 05:15:27,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 05:15:27,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 05:15:27,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 05:15:27,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 05:15:27,757 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 05:15:27,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 05:15:27,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 05:15:27,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 05:15:27,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 05:15:27,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 05:15:27,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 05:15:27,762 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 05:15:27,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 05:15:27,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 05:15:27,763 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 05:15:27,763 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 05:15:27,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 05:15:27,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 05:15:27,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 05:15:27,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 05:15:27,765 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 05:15:27,765 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 05:15:27,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 05:15:27,765 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 05:15:27,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 05:15:27,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 05:15:27,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 05:15:27,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 05:15:27,767 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 05:15:27,767 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 05:15:27,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 05:15:27,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:15:27,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 05:15:27,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 05:15:27,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 05:15:27,769 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 05:15:27,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 05:15:27,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 05:15:27,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 05:15:27,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 05:15:27,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 05:15:27,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:28,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 05:15:28,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 05:15:28,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 05:15:28,035 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 05:15:28,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 05:15:28,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-9.i [2024-11-03 05:15:29,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 05:15:29,678 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 05:15:29,679 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-9.i [2024-11-03 05:15:29,685 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc0c4ef98/556a2ccbb63e4187a2c25e6c010c600b/FLAGf3997bd23 [2024-11-03 05:15:29,697 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc0c4ef98/556a2ccbb63e4187a2c25e6c010c600b [2024-11-03 05:15:29,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 05:15:29,700 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 05:15:29,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 05:15:29,702 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 05:15:29,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 05:15:29,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:15:29" (1/1) ... [2024-11-03 05:15:29,709 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea7537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:29, skipping insertion in model container [2024-11-03 05:15:29,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 05:15:29" (1/1) ... [2024-11-03 05:15:29,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 05:15:29,875 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-9.i[914,927] [2024-11-03 05:15:29,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:15:29,941 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 05:15:29,957 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-9.i[914,927] [2024-11-03 05:15:29,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 05:15:30,006 INFO L204 MainTranslator]: Completed translation [2024-11-03 05:15:30,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30 WrapperNode [2024-11-03 05:15:30,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 05:15:30,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 05:15:30,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 05:15:30,010 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 05:15:30,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,047 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 75 [2024-11-03 05:15:30,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 05:15:30,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 05:15:30,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 05:15:30,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 05:15:30,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,073 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 05:15:30,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 05:15:30,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 05:15:30,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 05:15:30,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 05:15:30,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (1/1) ... [2024-11-03 05:15:30,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 05:15:30,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 05:15:30,130 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 05:15:30,133 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 05:15:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 05:15:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 05:15:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 05:15:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 05:15:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 05:15:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 05:15:30,239 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 05:15:30,242 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 05:15:30,476 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-03 05:15:30,476 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 05:15:30,490 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 05:15:30,491 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 05:15:30,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:15:30 BoogieIcfgContainer [2024-11-03 05:15:30,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 05:15:30,493 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 05:15:30,493 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 05:15:30,497 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 05:15:30,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 05:15:29" (1/3) ... [2024-11-03 05:15:30,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2e831a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:15:30, skipping insertion in model container [2024-11-03 05:15:30,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 05:15:30" (2/3) ... [2024-11-03 05:15:30,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2e831a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 05:15:30, skipping insertion in model container [2024-11-03 05:15:30,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 05:15:30" (3/3) ... [2024-11-03 05:15:30,501 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-9.i [2024-11-03 05:15:30,518 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 05:15:30,518 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 05:15:30,582 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 05:15:30,589 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;@1b2031b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 05:15:30,590 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 05:15:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 05:15:30,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-03 05:15:30,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:15:30,603 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 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 05:15:30,604 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:15:30,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:15:30,611 INFO L85 PathProgramCache]: Analyzing trace with hash 471993809, now seen corresponding path program 1 times [2024-11-03 05:15:30,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:15:30,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428658084] [2024-11-03 05:15:30,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:15:30,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:30,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:15:30,625 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 05:15:30,627 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 05:15:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:15:30,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 05:15:30,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:15:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-03 05:15:30,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:15:30,837 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-03 05:15:30,838 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:15:30,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428658084] [2024-11-03 05:15:30,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [428658084] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 05:15:30,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 05:15:30,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 05:15:30,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110559115] [2024-11-03 05:15:30,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 05:15:30,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 05:15:30,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:15:30,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 05:15:30,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 05:15:30,866 INFO L87 Difference]: Start difference. First operand has 34 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 27 states have internal predecessors, (36), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-03 05:15:30,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:15:30,883 INFO L93 Difference]: Finished difference Result 60 states and 89 transitions. [2024-11-03 05:15:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 05:15:30,885 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2024-11-03 05:15:30,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:15:30,890 INFO L225 Difference]: With dead ends: 60 [2024-11-03 05:15:30,890 INFO L226 Difference]: Without dead ends: 29 [2024-11-03 05:15:30,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 82 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 05:15:30,895 INFO L432 NwaCegarLoop]: 36 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, 36 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 05:15:30,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 05:15:30,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-03 05:15:30,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2024-11-03 05:15:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 05:15:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2024-11-03 05:15:30,926 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 42 [2024-11-03 05:15:30,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:15:30,927 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2024-11-03 05:15:30,927 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, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-03 05:15:30,927 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-11-03 05:15:30,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-03 05:15:30,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:15:30,930 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 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 05:15:30,934 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 05:15:31,130 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 05:15:31,131 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:15:31,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:15:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1535824595, now seen corresponding path program 1 times [2024-11-03 05:15:31,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:15:31,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816811007] [2024-11-03 05:15:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:15:31,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:31,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:15:31,135 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 05:15:31,136 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 05:15:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:15:31,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-03 05:15:31,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:15:31,636 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-03 05:15:31,637 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:15:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-03 05:15:36,818 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:15:36,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816811007] [2024-11-03 05:15:36,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1816811007] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:15:36,819 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:15:36,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 7 [2024-11-03 05:15:36,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754072407] [2024-11-03 05:15:36,819 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:15:36,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 05:15:36,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:15:36,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 05:15:36,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-03 05:15:36,824 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-03 05:15:37,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:15:37,159 INFO L93 Difference]: Finished difference Result 128 states and 159 transitions. [2024-11-03 05:15:37,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-03 05:15:37,161 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 42 [2024-11-03 05:15:37,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:15:37,163 INFO L225 Difference]: With dead ends: 128 [2024-11-03 05:15:37,163 INFO L226 Difference]: Without dead ends: 102 [2024-11-03 05:15:37,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-03 05:15:37,166 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 92 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 05:15:37,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 195 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 05:15:37,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-03 05:15:37,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 53. [2024-11-03 05:15:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.175) internal successors, (47), 40 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 05:15:37,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 67 transitions. [2024-11-03 05:15:37,190 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 67 transitions. Word has length 42 [2024-11-03 05:15:37,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:15:37,191 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 67 transitions. [2024-11-03 05:15:37,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-03 05:15:37,191 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2024-11-03 05:15:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-03 05:15:37,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:15:37,193 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 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 05:15:37,196 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 05:15:37,393 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 05:15:37,394 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:15:37,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:15:37,395 INFO L85 PathProgramCache]: Analyzing trace with hash -985318329, now seen corresponding path program 1 times [2024-11-03 05:15:37,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:15:37,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730654246] [2024-11-03 05:15:37,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:15:37,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:37,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:15:37,399 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 05:15:37,400 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 05:15:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:15:37,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-03 05:15:37,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:15:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-03 05:15:37,835 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:15:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-03 05:15:40,485 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:15:40,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730654246] [2024-11-03 05:15:40,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [730654246] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:15:40,485 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:15:40,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 4] imperfect sequences [] total 10 [2024-11-03 05:15:40,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536274360] [2024-11-03 05:15:40,486 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:15:40,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-03 05:15:40,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:15:40,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-03 05:15:40,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-03 05:15:40,488 INFO L87 Difference]: Start difference. First operand 53 states and 67 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-03 05:15:40,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:15:40,962 INFO L93 Difference]: Finished difference Result 130 states and 163 transitions. [2024-11-03 05:15:40,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 05:15:40,963 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 43 [2024-11-03 05:15:40,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:15:40,964 INFO L225 Difference]: With dead ends: 130 [2024-11-03 05:15:40,964 INFO L226 Difference]: Without dead ends: 80 [2024-11-03 05:15:40,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2024-11-03 05:15:40,967 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 85 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 05:15:40,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 86 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 05:15:40,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-03 05:15:40,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 53. [2024-11-03 05:15:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.125) internal successors, (45), 40 states have internal predecessors, (45), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 05:15:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2024-11-03 05:15:40,978 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 43 [2024-11-03 05:15:40,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:15:40,979 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2024-11-03 05:15:40,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 states have internal predecessors, (36), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-03 05:15:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2024-11-03 05:15:40,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-03 05:15:40,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 05:15:40,981 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 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 05:15:40,985 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 05:15:41,182 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 05:15:41,183 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 05:15:41,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 05:15:41,184 INFO L85 PathProgramCache]: Analyzing trace with hash -983471287, now seen corresponding path program 1 times [2024-11-03 05:15:41,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 05:15:41,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401403572] [2024-11-03 05:15:41,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 05:15:41,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 05:15:41,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 05:15:41,187 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 05:15:41,188 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 05:15:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 05:15:41,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-03 05:15:41,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 05:15:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-03 05:15:44,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 05:15:47,467 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-03 05:15:47,468 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 05:15:47,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401403572] [2024-11-03 05:15:47,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [401403572] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 05:15:47,468 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 05:15:47,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12, 11] imperfect sequences [] total 22 [2024-11-03 05:15:47,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411244168] [2024-11-03 05:15:47,469 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 05:15:47,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-03 05:15:47,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 05:15:47,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-03 05:15:47,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2024-11-03 05:15:47,471 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-03 05:15:48,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 05:15:48,905 INFO L93 Difference]: Finished difference Result 96 states and 110 transitions. [2024-11-03 05:15:48,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-03 05:15:48,906 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) Word has length 43 [2024-11-03 05:15:48,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 05:15:48,906 INFO L225 Difference]: With dead ends: 96 [2024-11-03 05:15:48,907 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 05:15:48,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 376 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=397, Invalid=1409, Unknown=0, NotChecked=0, Total=1806 [2024-11-03 05:15:48,909 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 124 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 05:15:48,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 121 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 05:15:48,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 05:15:48,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 05:15:48,910 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 05:15:48,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 05:15:48,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2024-11-03 05:15:48,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 05:15:48,911 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 05:15:48,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 22 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 4 states have return successors, (10), 4 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-03 05:15:48,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 05:15:48,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 05:15:48,914 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 05:15:48,918 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 05:15:49,114 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 05:15:49,117 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-03 05:15:49,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 05:15:50,149 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 05:15:50,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,166 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,167 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,167 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,167 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:15:50,168 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:15:50,168 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,168 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 05:15:50,169 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,169 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,169 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,169 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,169 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:15:50,169 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,176 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:15:50,176 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,176 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 05:15:50,176 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 05:15:50,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 05:15:50 BoogieIcfgContainer [2024-11-03 05:15:50,180 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 05:15:50,181 INFO L158 Benchmark]: Toolchain (without parser) took 20480.98ms. Allocated memory was 384.8MB in the beginning and 934.3MB in the end (delta: 549.5MB). Free memory was 322.2MB in the beginning and 621.3MB in the end (delta: -299.1MB). Peak memory consumption was 251.4MB. Max. memory is 8.0GB. [2024-11-03 05:15:50,181 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 219.2MB. Free memory was 170.2MB in the beginning and 170.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 05:15:50,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.07ms. Allocated memory is still 384.8MB. Free memory was 321.7MB in the beginning and 307.5MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 05:15:50,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.11ms. Allocated memory is still 384.8MB. Free memory was 307.5MB in the beginning and 306.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 05:15:50,182 INFO L158 Benchmark]: Boogie Preprocessor took 45.88ms. Allocated memory is still 384.8MB. Free memory was 306.0MB in the beginning and 303.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 05:15:50,185 INFO L158 Benchmark]: RCFGBuilder took 396.08ms. Allocated memory is still 384.8MB. Free memory was 303.3MB in the beginning and 288.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 05:15:50,185 INFO L158 Benchmark]: TraceAbstraction took 19687.27ms. Allocated memory was 384.8MB in the beginning and 934.3MB in the end (delta: 549.5MB). Free memory was 287.6MB in the beginning and 621.3MB in the end (delta: -333.7MB). Peak memory consumption was 216.8MB. Max. memory is 8.0GB. [2024-11-03 05:15:50,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 219.2MB. Free memory was 170.2MB in the beginning and 170.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 307.07ms. Allocated memory is still 384.8MB. Free memory was 321.7MB in the beginning and 307.5MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.11ms. Allocated memory is still 384.8MB. Free memory was 307.5MB in the beginning and 306.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.88ms. Allocated memory is still 384.8MB. Free memory was 306.0MB in the beginning and 303.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 396.08ms. Allocated memory is still 384.8MB. Free memory was 303.3MB in the beginning and 288.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 19687.27ms. Allocated memory was 384.8MB in the beginning and 934.3MB in the end (delta: 549.5MB). Free memory was 287.6MB in the beginning and 621.3MB in the end (delta: -333.7MB). Peak memory consumption was 216.8MB. 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: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - 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 * 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, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 4, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 303 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 301 mSDsluCounter, 438 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 316 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 348 IncrementalHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 122 mSDtfsCounter, 348 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 373 GetRequests, 307 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=2, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 76 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 14.9s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 1355 SizeOfPredicates, 69 NumberOfNonLiveVariables, 331 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 312/320 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: 81]: Loop Invariant Derived loop invariant: (((!(last_1_var_1_8 <= 16) && !(((var_1_1 + var_1_9) % 4294967296) < 10)) && (var_1_8 == 100)) || ((((var_1_10 == var_1_11) && (var_1_1 == var_1_3)) && (var_1_9 == 64)) && (var_1_8 == var_1_12))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: !(((var_1_1 + var_1_9) % 4294967296) < 10) Ensures: (((0 != cond) && !(((var_1_1 + var_1_9) % 4294967296) < 10)) && (((((((((((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))) && (last_1_var_1_8 == \old(last_1_var_1_8))) && (last_1_var_1_10 == \old(last_1_var_1_10)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 05:15:50,222 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...