/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 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 00:33:35,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 00:33:35,963 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 00:33:35,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 00:33:35,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 00:33:35,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 00:33:35,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 00:33:35,996 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 00:33:35,996 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 00:33:35,997 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 00:33:35,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 00:33:35,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 00:33:35,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 00:33:35,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 00:33:35,998 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 00:33:35,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 00:33:35,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 00:33:35,999 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 00:33:35,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 00:33:35,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 00:33:35,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 00:33:36,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 00:33:36,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 00:33:36,004 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 00:33:36,004 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 00:33:36,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 00:33:36,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 00:33:36,005 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 00:33:36,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 00:33:36,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 00:33:36,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 00:33:36,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 00:33:36,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 00:33:36,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 00:33:36,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 00:33:36,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 00:33:36,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 00:33:36,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 00:33:36,006 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 00:33:36,007 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 00:33:36,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 00:33:36,008 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 00:33:36,008 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 00:33:36,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 00:33:36,009 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-03 00:33:36,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 00:33:36,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 00:33:36,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 00:33:36,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 00:33:36,235 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 00:33:36,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i [2024-11-03 00:33:37,582 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 00:33:37,740 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 00:33:37,740 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i [2024-11-03 00:33:37,748 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/055f30c2d/7f7f77d5671d459f8c99bd46a040ed40/FLAG749cbd21e [2024-11-03 00:33:37,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/055f30c2d/7f7f77d5671d459f8c99bd46a040ed40 [2024-11-03 00:33:37,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 00:33:37,764 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 00:33:37,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 00:33:37,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 00:33:37,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 00:33:37,771 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:33:37" (1/1) ... [2024-11-03 00:33:37,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5310b1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:37, skipping insertion in model container [2024-11-03 00:33:37,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:33:37" (1/1) ... [2024-11-03 00:33:37,790 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 00:33:37,944 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_floatingpointinfluence_has-floats_file-42.i[917,930] [2024-11-03 00:33:37,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 00:33:37,992 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 00:33:38,001 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_floatingpointinfluence_has-floats_file-42.i[917,930] [2024-11-03 00:33:38,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 00:33:38,033 INFO L204 MainTranslator]: Completed translation [2024-11-03 00:33:38,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38 WrapperNode [2024-11-03 00:33:38,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 00:33:38,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 00:33:38,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 00:33:38,036 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 00:33:38,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,067 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-03 00:33:38,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 00:33:38,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 00:33:38,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 00:33:38,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 00:33:38,080 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,093 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 00:33:38,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 00:33:38,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 00:33:38,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 00:33:38,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 00:33:38,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (1/1) ... [2024-11-03 00:33:38,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 00:33:38,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 00:33:38,146 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 00:33:38,149 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 00:33:38,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 00:33:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 00:33:38,171 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 00:33:38,171 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 00:33:38,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 00:33:38,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 00:33:38,245 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 00:33:38,247 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 00:33:38,488 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-03 00:33:38,489 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 00:33:38,504 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 00:33:38,504 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 00:33:38,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:33:38 BoogieIcfgContainer [2024-11-03 00:33:38,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 00:33:38,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 00:33:38,508 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 00:33:38,512 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 00:33:38,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:33:37" (1/3) ... [2024-11-03 00:33:38,513 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb928bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:33:38, skipping insertion in model container [2024-11-03 00:33:38,513 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:33:38" (2/3) ... [2024-11-03 00:33:38,514 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fb928bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:33:38, skipping insertion in model container [2024-11-03 00:33:38,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:33:38" (3/3) ... [2024-11-03 00:33:38,517 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-42.i [2024-11-03 00:33:38,531 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 00:33:38,532 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 00:33:38,593 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 00:33:38,598 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;@14daf1c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 00:33:38,598 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 00:33:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-03 00:33:38,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-03 00:33:38,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:33:38,610 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:33:38,611 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:33:38,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:33:38,617 INFO L85 PathProgramCache]: Analyzing trace with hash -827587499, now seen corresponding path program 1 times [2024-11-03 00:33:38,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:33:38,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450158238] [2024-11-03 00:33:38,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:33:38,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 00:33:38,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 00:33:38,630 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 00:33:38,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 00:33:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:33:38,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 00:33:38,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:33:38,832 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 00:33:38,832 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:33:38,912 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 00:33:38,915 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:33:38,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450158238] [2024-11-03 00:33:38,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1450158238] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 00:33:38,916 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 00:33:38,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 00:33:38,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688649722] [2024-11-03 00:33:38,918 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 00:33:38,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 00:33:38,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:33:38,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 00:33:38,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 00:33:38,940 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 00:33:38,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:33:38,960 INFO L93 Difference]: Finished difference Result 75 states and 123 transitions. [2024-11-03 00:33:38,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 00:33:38,962 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), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-03 00:33:38,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:33:38,968 INFO L225 Difference]: With dead ends: 75 [2024-11-03 00:33:38,968 INFO L226 Difference]: Without dead ends: 37 [2024-11-03 00:33:38,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 00:33:38,973 INFO L432 NwaCegarLoop]: 50 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, 50 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 00:33:38,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 00:33:38,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-03 00:33:39,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-03 00:33:39,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-03 00:33:39,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-03 00:33:39,007 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 74 [2024-11-03 00:33:39,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:33:39,007 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-03 00:33:39,007 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), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 00:33:39,008 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-03 00:33:39,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-03 00:33:39,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:33:39,010 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:33:39,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 00:33:39,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 00:33:39,211 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:33:39,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:33:39,212 INFO L85 PathProgramCache]: Analyzing trace with hash -865244527, now seen corresponding path program 1 times [2024-11-03 00:33:39,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:33:39,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [629031145] [2024-11-03 00:33:39,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:33:39,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 00:33:39,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 00:33:39,214 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 00:33:39,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 00:33:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:33:39,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-03 00:33:39,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:33:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 00:33:39,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:34:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 00:34:06,511 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:34:06,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [629031145] [2024-11-03 00:34:06,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [629031145] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 00:34:06,511 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 00:34:06,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 8] imperfect sequences [] total 12 [2024-11-03 00:34:06,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392540301] [2024-11-03 00:34:06,511 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 00:34:06,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 00:34:06,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:34:06,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 00:34:06,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-03 00:34:06,514 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 00:34:10,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:34:10,755 INFO L93 Difference]: Finished difference Result 106 states and 136 transitions. [2024-11-03 00:34:10,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-03 00:34:10,756 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-03 00:34:10,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:34:10,758 INFO L225 Difference]: With dead ends: 106 [2024-11-03 00:34:10,758 INFO L226 Difference]: Without dead ends: 72 [2024-11-03 00:34:10,758 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 139 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=124, Invalid=218, Unknown=0, NotChecked=0, Total=342 [2024-11-03 00:34:10,759 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 77 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 00:34:10,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 271 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 00:34:10,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-03 00:34:10,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 46. [2024-11-03 00:34:10,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-03 00:34:10,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2024-11-03 00:34:10,768 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 74 [2024-11-03 00:34:10,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:34:10,768 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2024-11-03 00:34:10,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 00:34:10,769 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2024-11-03 00:34:10,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-03 00:34:10,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:34:10,770 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:34:10,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 00:34:10,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 00:34:10,971 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:34:10,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:34:10,972 INFO L85 PathProgramCache]: Analyzing trace with hash 395627409, now seen corresponding path program 1 times [2024-11-03 00:34:10,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:34:10,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22524495] [2024-11-03 00:34:10,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:34:10,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 00:34:10,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 00:34:10,974 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 00:34:10,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 00:34:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:34:11,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-03 00:34:11,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:34:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 00:34:34,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:34:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 00:34:59,184 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:34:59,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22524495] [2024-11-03 00:34:59,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [22524495] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 00:34:59,185 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 00:34:59,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 16 [2024-11-03 00:34:59,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780449528] [2024-11-03 00:34:59,185 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 00:34:59,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-03 00:34:59,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:34:59,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-03 00:34:59,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-03 00:34:59,186 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 16 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 00:35:00,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:35:00,636 INFO L93 Difference]: Finished difference Result 71 states and 85 transitions. [2024-11-03 00:35:00,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-03 00:35:00,637 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-03 00:35:00,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:35:00,638 INFO L225 Difference]: With dead ends: 71 [2024-11-03 00:35:00,638 INFO L226 Difference]: Without dead ends: 69 [2024-11-03 00:35:00,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=221, Invalid=429, Unknown=0, NotChecked=0, Total=650 [2024-11-03 00:35:00,639 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 98 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 00:35:00,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 321 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 00:35:00,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-03 00:35:00,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 46. [2024-11-03 00:35:00,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-03 00:35:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2024-11-03 00:35:00,646 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 74 [2024-11-03 00:35:00,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:35:00,647 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2024-11-03 00:35:00,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 00:35:00,647 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2024-11-03 00:35:00,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-03 00:35:00,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 00:35:00,648 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:35:00,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-03 00:35:00,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 00:35:00,849 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 00:35:00,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 00:35:00,849 INFO L85 PathProgramCache]: Analyzing trace with hash 454732753, now seen corresponding path program 1 times [2024-11-03 00:35:00,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 00:35:00,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519225897] [2024-11-03 00:35:00,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 00:35:00,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 00:35:00,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 00:35:00,852 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 00:35:00,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-03 00:35:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 00:35:01,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-03 00:35:01,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 00:35:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 48 proven. 27 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-03 00:35:01,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 00:35:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-03 00:35:01,278 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 00:35:01,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519225897] [2024-11-03 00:35:01,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1519225897] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 00:35:01,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 00:35:01,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-03 00:35:01,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573864879] [2024-11-03 00:35:01,278 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 00:35:01,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 00:35:01,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 00:35:01,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 00:35:01,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-03 00:35:01,280 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-03 00:35:01,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 00:35:01,793 INFO L93 Difference]: Finished difference Result 119 states and 153 transitions. [2024-11-03 00:35:01,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-03 00:35:01,793 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 74 [2024-11-03 00:35:01,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 00:35:01,794 INFO L225 Difference]: With dead ends: 119 [2024-11-03 00:35:01,794 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 00:35:01,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=236, Invalid=520, Unknown=0, NotChecked=0, Total=756 [2024-11-03 00:35:01,798 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 98 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 00:35:01,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 115 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 00:35:01,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 00:35:01,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 00:35:01,799 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 00:35:01,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 00:35:01,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-03 00:35:01,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 00:35:01,800 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 00:35:01,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.3333333333333335) internal successors, (40), 12 states have internal predecessors, (40), 3 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-03 00:35:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 00:35:01,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 00:35:01,807 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 00:35:01,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-03 00:35:02,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 00:35:02,011 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-03 00:35:02,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 00:35:03,365 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 00:35:03,374 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-03 00:35:03,375 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 00:35:03,375 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-03 00:35:03,380 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.leq~32 [2024-11-03 00:35:03,380 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-03 00:35:03,380 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.leq~32 [2024-11-03 00:35:03,381 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-03 00:35:03,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 12:35:03 BoogieIcfgContainer [2024-11-03 00:35:03,383 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 00:35:03,384 INFO L158 Benchmark]: Toolchain (without parser) took 85620.23ms. Allocated memory was 181.4MB in the beginning and 1.1GB in the end (delta: 912.3MB). Free memory was 123.6MB in the beginning and 789.3MB in the end (delta: -665.7MB). Peak memory consumption was 636.1MB. Max. memory is 8.0GB. [2024-11-03 00:35:03,384 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 181.4MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 00:35:03,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.02ms. Allocated memory is still 181.4MB. Free memory was 123.6MB in the beginning and 108.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 00:35:03,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.85ms. Allocated memory is still 181.4MB. Free memory was 108.8MB in the beginning and 107.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 00:35:03,385 INFO L158 Benchmark]: Boogie Preprocessor took 46.57ms. Allocated memory is still 181.4MB. Free memory was 107.1MB in the beginning and 104.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 00:35:03,385 INFO L158 Benchmark]: RCFGBuilder took 389.04ms. Allocated memory was 181.4MB in the beginning and 253.8MB in the end (delta: 72.4MB). Free memory was 104.2MB in the beginning and 220.3MB in the end (delta: -116.1MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. [2024-11-03 00:35:03,385 INFO L158 Benchmark]: TraceAbstraction took 84876.03ms. Allocated memory was 253.8MB in the beginning and 1.1GB in the end (delta: 839.9MB). Free memory was 219.3MB in the beginning and 789.3MB in the end (delta: -570.0MB). Peak memory consumption was 657.0MB. Max. memory is 8.0GB. [2024-11-03 00:35:03,386 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 181.4MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 271.02ms. Allocated memory is still 181.4MB. Free memory was 123.6MB in the beginning and 108.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.85ms. Allocated memory is still 181.4MB. Free memory was 108.8MB in the beginning and 107.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.57ms. Allocated memory is still 181.4MB. Free memory was 107.1MB in the beginning and 104.2MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 389.04ms. Allocated memory was 181.4MB in the beginning and 253.8MB in the end (delta: 72.4MB). Free memory was 104.2MB in the beginning and 220.3MB in the end (delta: -116.1MB). Peak memory consumption was 19.0MB. Max. memory is 8.0GB. * TraceAbstraction took 84876.03ms. Allocated memory was 253.8MB in the beginning and 1.1GB in the end (delta: 839.9MB). Free memory was 219.3MB in the beginning and 789.3MB in the end (delta: -570.0MB). Peak memory consumption was 657.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.leq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.leq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 * 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, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 83.4s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 273 mSDsluCounter, 757 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 561 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 481 IncrementalHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 196 mSDtfsCounter, 481 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 627 GetRequests, 559 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 8.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=2, InterpolantAutomatonStates: 54, 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, 49 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 75.5s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 584 ConstructedInterpolants, 5 QuantifiedInterpolants, 3359 SizeOfPredicates, 29 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 1706/1760 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: 88]: Loop Invariant Derived loop invariant: ((((0 != -var_1_8) && (var_1_1 != var_1_8)) && (var_1_9 <= 127)) || (((var_1_1 == ((var_1_8 + -var_1_8) % 4294967296)) && (var_1_11 == var_1_10)) && (var_1_17 == var_1_18))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (((0 != -var_1_8) && (var_1_1 != var_1_8)) || (((0 != -var_1_8) && (var_1_1 != var_1_8)) && (var_1_9 <= 127))) Ensures: ((((0 != cond) && (0 != -var_1_8)) && (var_1_1 != var_1_8)) && ((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (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))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 00:35:03,483 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...