/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 bitwuzla -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 12:08:26,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 12:08:26,775 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 12:08:26,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 12:08:26,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 12:08:26,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 12:08:26,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 12:08:26,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 12:08:26,806 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 12:08:26,807 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 12:08:26,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 12:08:26,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 12:08:26,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 12:08:26,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 12:08:26,808 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 12:08:26,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 12:08:26,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 12:08:26,809 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 12:08:26,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 12:08:26,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 12:08:26,809 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 12:08:26,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 12:08:26,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 12:08:26,814 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 12:08:26,814 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 12:08:26,815 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 12:08:26,815 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 12:08:26,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 12:08:26,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 12:08:26,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 12:08:26,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 12:08:26,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 12:08:26,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 12:08:26,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 12:08:26,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:08:26,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 12:08:26,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 12:08:26,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 12:08:26,817 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 12:08:26,817 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 12:08:26,817 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 12:08:26,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 12:08:26,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 12:08:26,819 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 12:08:26,819 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 12:08:27,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 12:08:27,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 12:08:27,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 12:08:27,056 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 12:08:27,056 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 12:08:27,057 INFO L431 ainManager$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 12:08:28,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 12:08:28,747 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 12:08:28,747 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-42.i [2024-11-03 12:08:28,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9f60d14/ffef00b0bec7484494505f23d3f36b7f/FLAG2e89e63d2 [2024-11-03 12:08:29,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec9f60d14/ffef00b0bec7484494505f23d3f36b7f [2024-11-03 12:08:29,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 12:08:29,138 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 12:08:29,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 12:08:29,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 12:08:29,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 12:08:29,150 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b367763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29, skipping insertion in model container [2024-11-03 12:08:29,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 12:08:29,323 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 12:08:29,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:08:29,380 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 12:08:29,391 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 12:08:29,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:08:29,422 INFO L204 MainTranslator]: Completed translation [2024-11-03 12:08:29,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29 WrapperNode [2024-11-03 12:08:29,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 12:08:29,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 12:08:29,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 12:08:29,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 12:08:29,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,460 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-11-03 12:08:29,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 12:08:29,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 12:08:29,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 12:08:29,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 12:08:29,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,479 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,492 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 12:08:29,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 12:08:29,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 12:08:29,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 12:08:29,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 12:08:29,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (1/1) ... [2024-11-03 12:08:29,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:08:29,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 12:08:29,542 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 12:08:29,544 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 12:08:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 12:08:29,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 12:08:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 12:08:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 12:08:29,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 12:08:29,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 12:08:29,630 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 12:08:29,632 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 12:08:29,854 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-03 12:08:29,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 12:08:29,864 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 12:08:29,864 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 12:08:29,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:08:29 BoogieIcfgContainer [2024-11-03 12:08:29,864 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 12:08:29,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 12:08:29,866 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 12:08:29,869 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 12:08:29,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:08:29" (1/3) ... [2024-11-03 12:08:29,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef62253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:08:29, skipping insertion in model container [2024-11-03 12:08:29,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:08:29" (2/3) ... [2024-11-03 12:08:29,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef62253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:08:29, skipping insertion in model container [2024-11-03 12:08:29,870 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:08:29" (3/3) ... [2024-11-03 12:08:29,871 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-42.i [2024-11-03 12:08:29,884 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 12:08:29,884 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 12:08:29,932 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 12:08:29,937 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;@1186db31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 12:08:29,937 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 12:08:29,942 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 12:08:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-03 12:08:29,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:08:29,955 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 12:08:29,956 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:08:29,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:08:29,968 INFO L85 PathProgramCache]: Analyzing trace with hash -827587499, now seen corresponding path program 1 times [2024-11-03 12:08:29,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:08:29,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917741378] [2024-11-03 12:08:29,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:08:29,978 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:08:29,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:08:29,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:08:29,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 12:08:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:08:30,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 12:08:30,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:08:30,175 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 12:08:30,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:08:30,261 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 12:08:30,262 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:08:30,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917741378] [2024-11-03 12:08:30,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1917741378] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:08:30,267 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:08:30,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 12:08:30,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567273347] [2024-11-03 12:08:30,270 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:08:30,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 12:08:30,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:08:30,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 12:08:30,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 12:08:30,299 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 12:08:30,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:08:30,324 INFO L93 Difference]: Finished difference Result 75 states and 123 transitions. [2024-11-03 12:08:30,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 12:08:30,327 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 12:08:30,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:08:30,333 INFO L225 Difference]: With dead ends: 75 [2024-11-03 12:08:30,333 INFO L226 Difference]: Without dead ends: 37 [2024-11-03 12:08:30,336 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 12:08:30,339 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 12:08:30,340 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 12:08:30,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-03 12:08:30,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-03 12:08:30,370 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 12:08:30,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-03 12:08:30,373 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 74 [2024-11-03 12:08:30,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:08:30,374 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-03 12:08:30,374 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 12:08:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-03 12:08:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-03 12:08:30,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:08:30,378 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 12:08:30,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-03 12:08:30,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:08:30,579 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:08:30,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:08:30,580 INFO L85 PathProgramCache]: Analyzing trace with hash -865244527, now seen corresponding path program 1 times [2024-11-03 12:08:30,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:08:30,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518522002] [2024-11-03 12:08:30,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:08:30,581 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:08:30,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:08:30,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:08:30,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 12:08:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:08:30,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-03 12:08:30,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:08:41,299 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 161 proven. 15 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-03 12:08:41,299 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:09:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-03 12:09:07,861 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:09:07,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518522002] [2024-11-03 12:09:07,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [518522002] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 12:09:07,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 12:09:07,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [17] total 27 [2024-11-03 12:09:07,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169929692] [2024-11-03 12:09:07,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 12:09:07,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-03 12:09:07,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:09:07,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-03 12:09:07,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2024-11-03 12:09:07,870 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 12:09:09,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:09:09,617 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2024-11-03 12:09:09,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 12:09:09,621 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-03 12:09:09,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:09:09,623 INFO L225 Difference]: With dead ends: 51 [2024-11-03 12:09:09,624 INFO L226 Difference]: Without dead ends: 49 [2024-11-03 12:09:09,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=212, Invalid=844, Unknown=0, NotChecked=0, Total=1056 [2024-11-03 12:09:09,625 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 87 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 12:09:09,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 143 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 12:09:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-03 12:09:09,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 44. [2024-11-03 12:09:09,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 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 12:09:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions. [2024-11-03 12:09:09,643 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 74 [2024-11-03 12:09:09,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:09:09,644 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions. [2024-11-03 12:09:09,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.272727272727273) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 12:09:09,644 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2024-11-03 12:09:09,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-03 12:09:09,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:09:09,647 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 12:09:09,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 12:09:09,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:09:09,848 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:09:09,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:09:09,849 INFO L85 PathProgramCache]: Analyzing trace with hash -863397485, now seen corresponding path program 1 times [2024-11-03 12:09:09,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:09:09,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110194127] [2024-11-03 12:09:09,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:09:09,853 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:09:09,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:09:09,855 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:09:09,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 12:09:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:09:09,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-03 12:09:09,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:09:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 161 proven. 15 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-03 12:09:27,287 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:09:51,448 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 57 proven. 24 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-03 12:09:51,449 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:09:51,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110194127] [2024-11-03 12:09:51,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1110194127] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 12:09:51,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 12:09:51,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 33 [2024-11-03 12:09:51,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592099574] [2024-11-03 12:09:51,451 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 12:09:51,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-03 12:09:51,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:09:51,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-03 12:09:51,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=832, Unknown=0, NotChecked=0, Total=1056 [2024-11-03 12:09:51,454 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 33 states, 33 states have (on average 2.0303030303030303) internal successors, (67), 31 states have internal predecessors, (67), 6 states have call successors, (22), 4 states have call predecessors, (22), 10 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-03 12:09:52,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:09:52,947 INFO L93 Difference]: Finished difference Result 76 states and 87 transitions. [2024-11-03 12:09:52,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-03 12:09:52,948 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 2.0303030303030303) internal successors, (67), 31 states have internal predecessors, (67), 6 states have call successors, (22), 4 states have call predecessors, (22), 10 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) Word has length 74 [2024-11-03 12:09:52,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:09:52,950 INFO L225 Difference]: With dead ends: 76 [2024-11-03 12:09:52,950 INFO L226 Difference]: Without dead ends: 74 [2024-11-03 12:09:52,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=543, Invalid=1713, Unknown=0, NotChecked=0, Total=2256 [2024-11-03 12:09:52,952 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 142 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 50 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-03 12:09:52,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 176 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 447 Invalid, 1 Unknown, 0 Unchecked, 0.8s Time] [2024-11-03 12:09:52,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-03 12:09:52,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 53. [2024-11-03 12:09:52,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.135135135135135) internal successors, (42), 37 states have internal predecessors, (42), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-03 12:09:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2024-11-03 12:09:52,962 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 74 [2024-11-03 12:09:52,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:09:52,962 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2024-11-03 12:09:52,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 2.0303030303030303) internal successors, (67), 31 states have internal predecessors, (67), 6 states have call successors, (22), 4 states have call predecessors, (22), 10 states have return successors, (22), 8 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-03 12:09:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2024-11-03 12:09:52,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-03 12:09:52,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:09:52,964 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 12:09:52,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Ended with exit code 0 [2024-11-03 12:09:53,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:09:53,168 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:09:53,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:09:53,168 INFO L85 PathProgramCache]: Analyzing trace with hash 454732753, now seen corresponding path program 1 times [2024-11-03 12:09:53,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:09:53,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121325605] [2024-11-03 12:09:53,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:09:53,169 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:09:53,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:09:53,172 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:09:53,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-03 12:09:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:09:53,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-03 12:09:53,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:09:53,324 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 12:09:53,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:09:53,435 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 12:09:53,436 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:09:53,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2121325605] [2024-11-03 12:09:53,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2121325605] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 12:09:53,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 12:09:53,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-03 12:09:53,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351198174] [2024-11-03 12:09:53,437 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 12:09:53,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 12:09:53,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:09:53,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 12:09:53,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-03 12:09:53,438 INFO L87 Difference]: Start difference. First operand 53 states and 64 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 12:09:53,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:09:53,911 INFO L93 Difference]: Finished difference Result 157 states and 183 transitions. [2024-11-03 12:09:53,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-03 12:09:53,912 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 12:09:53,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:09:53,913 INFO L225 Difference]: With dead ends: 157 [2024-11-03 12:09:53,913 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 12:09:53,914 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 12:09:53,914 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 113 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 12:09:53,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 115 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 12:09:53,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 12:09:53,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 12:09:53,915 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 12:09:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 12:09:53,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-03 12:09:53,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:09:53,916 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 12:09:53,916 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 12:09:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 12:09:53,916 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 12:09:53,918 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 12:09:53,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Forceful destruction successful, exit code 0 [2024-11-03 12:09:54,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:09:54,122 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-03 12:09:54,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 12:09:57,947 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 12:09:57,959 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-03 12:09:57,960 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-03 12:09:57,960 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 12:09:57,960 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-03 12:09:57,962 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:09:57,962 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:09:57,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:09:57,975 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:09:57,976 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:09:57,976 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:09:57,976 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:09:57,976 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:09:57,976 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:09:57,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:09:57,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:09:57,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:09:57,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:09:57,977 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:09:57,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 12:09:57 BoogieIcfgContainer [2024-11-03 12:09:57,982 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 12:09:57,988 INFO L158 Benchmark]: Toolchain (without parser) took 88844.02ms. Allocated memory was 288.4MB in the beginning and 1.1GB in the end (delta: 791.7MB). Free memory was 233.3MB in the beginning and 582.0MB in the end (delta: -348.6MB). Peak memory consumption was 444.6MB. Max. memory is 8.0GB. [2024-11-03 12:09:57,988 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 216.0MB. Free memory was 163.2MB in the beginning and 163.0MB in the end (delta: 163.6kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 12:09:57,988 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.31ms. Allocated memory is still 288.4MB. Free memory was 233.3MB in the beginning and 218.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 12:09:57,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.99ms. Allocated memory is still 288.4MB. Free memory was 218.7MB in the beginning and 216.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 12:09:57,989 INFO L158 Benchmark]: Boogie Preprocessor took 45.75ms. Allocated memory is still 288.4MB. Free memory was 216.6MB in the beginning and 213.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 12:09:57,989 INFO L158 Benchmark]: RCFGBuilder took 356.94ms. Allocated memory is still 288.4MB. Free memory was 213.9MB in the beginning and 199.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 12:09:57,989 INFO L158 Benchmark]: TraceAbstraction took 88115.41ms. Allocated memory was 288.4MB in the beginning and 1.1GB in the end (delta: 791.7MB). Free memory was 198.7MB in the beginning and 582.0MB in the end (delta: -383.2MB). Peak memory consumption was 410.0MB. Max. memory is 8.0GB. [2024-11-03 12:09:57,990 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 216.0MB. Free memory was 163.2MB in the beginning and 163.0MB in the end (delta: 163.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 284.31ms. Allocated memory is still 288.4MB. Free memory was 233.3MB in the beginning and 218.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.99ms. Allocated memory is still 288.4MB. Free memory was 218.7MB in the beginning and 216.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.75ms. Allocated memory is still 288.4MB. Free memory was 216.6MB in the beginning and 213.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 356.94ms. Allocated memory is still 288.4MB. Free memory was 213.9MB in the beginning and 199.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 88115.41ms. Allocated memory was 288.4MB in the beginning and 1.1GB in the end (delta: 791.7MB). Free memory was 198.7MB in the beginning and 582.0MB in the end (delta: -383.2MB). Peak memory consumption was 410.0MB. 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: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: 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, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84.2s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 347 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 342 mSDsluCounter, 484 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 317 mSDsCounter, 153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 782 IncrementalHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 153 mSolverCounterUnsat, 167 mSDtfsCounter, 782 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 626 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=3, InterpolantAutomatonStates: 61, 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, 26 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 79.1s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 584 ConstructedInterpolants, 8 QuantifiedInterpolants, 4278 SizeOfPredicates, 36 NumberOfNonLiveVariables, 502 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 1652/1760 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_18) && (0 != -var_1_8)) && (var_1_1 != var_1_8)) && (var_1_16 <= 0)) && (var_1_9 <= 127)) && (var_1_13 <= 0)) - 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)) && (var_1_18 <= 0)) && (var_1_16 <= 0)) && (var_1_13 <= 0)) || (((((0 != -var_1_8) && (var_1_1 != var_1_8)) && (var_1_16 <= 0)) && (var_1_9 <= 127)) && (var_1_13 <= 0))) || ((((0 == var_1_18) && (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)) && (var_1_18 <= 0)) && (var_1_16 <= 0)) && (var_1_13 <= 0)) || (((((0 != -var_1_8) && (var_1_1 != var_1_8)) && (var_1_16 <= 0)) && (var_1_9 <= 127)) && (var_1_13 <= 0))) || ((((0 == var_1_18) && (0 != -var_1_8)) && (var_1_1 != var_1_8)) && (var_1_9 <= 127)))) && ((((((((((((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 12:09:58,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...