/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-17.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 04:48:09,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 04:48:09,526 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 04:48:09,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 04:48:09,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 04:48:09,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 04:48:09,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 04:48:09,553 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 04:48:09,554 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 04:48:09,555 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 04:48:09,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 04:48:09,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 04:48:09,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 04:48:09,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 04:48:09,557 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 04:48:09,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 04:48:09,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 04:48:09,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 04:48:09,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 04:48:09,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 04:48:09,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 04:48:09,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 04:48:09,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 04:48:09,561 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 04:48:09,561 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 04:48:09,561 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 04:48:09,561 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 04:48:09,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 04:48:09,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 04:48:09,562 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 04:48:09,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 04:48:09,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 04:48:09,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 04:48:09,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 04:48:09,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:48:09,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 04:48:09,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 04:48:09,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 04:48:09,563 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 04:48:09,563 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 04:48:09,563 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 04:48:09,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 04:48:09,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 04:48:09,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 04:48:09,566 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:09,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 04:48:09,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 04:48:09,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 04:48:09,777 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 04:48:09,777 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 04:48:09,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2024-11-03 04:48:11,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 04:48:11,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 04:48:11,239 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-17.i [2024-11-03 04:48:11,246 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447ad3025/aab4beee5c104690a0bbda935f6f318b/FLAG846f5d37e [2024-11-03 04:48:11,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447ad3025/aab4beee5c104690a0bbda935f6f318b [2024-11-03 04:48:11,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 04:48:11,265 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 04:48:11,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 04:48:11,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 04:48:11,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 04:48:11,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747187a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11, skipping insertion in model container [2024-11-03 04:48:11,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 04:48:11,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-17.i[915,928] [2024-11-03 04:48:11,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:48:11,475 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 04:48:11,489 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-17.i[915,928] [2024-11-03 04:48:11,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 04:48:11,531 INFO L204 MainTranslator]: Completed translation [2024-11-03 04:48:11,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11 WrapperNode [2024-11-03 04:48:11,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 04:48:11,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 04:48:11,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 04:48:11,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 04:48:11,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,566 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 85 [2024-11-03 04:48:11,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 04:48:11,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 04:48:11,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 04:48:11,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 04:48:11,581 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,586 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,595 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 04:48:11,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,596 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 04:48:11,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 04:48:11,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 04:48:11,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 04:48:11,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (1/1) ... [2024-11-03 04:48:11,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 04:48:11,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 04:48:11,655 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 04:48:11,670 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 04:48:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 04:48:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 04:48:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 04:48:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 04:48:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 04:48:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 04:48:11,787 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 04:48:11,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 04:48:12,036 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-03 04:48:12,036 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 04:48:12,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 04:48:12,048 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 04:48:12,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:48:12 BoogieIcfgContainer [2024-11-03 04:48:12,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 04:48:12,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 04:48:12,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 04:48:12,052 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 04:48:12,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:48:11" (1/3) ... [2024-11-03 04:48:12,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b0d6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:48:12, skipping insertion in model container [2024-11-03 04:48:12,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:48:11" (2/3) ... [2024-11-03 04:48:12,053 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b0d6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:48:12, skipping insertion in model container [2024-11-03 04:48:12,053 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:48:12" (3/3) ... [2024-11-03 04:48:12,054 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-17.i [2024-11-03 04:48:12,066 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 04:48:12,066 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 04:48:12,110 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 04:48:12,114 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;@69e34547, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 04:48:12,115 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 04:48:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-03 04:48:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-03 04:48:12,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:48:12,126 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:48:12,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:48:12,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:48:12,131 INFO L85 PathProgramCache]: Analyzing trace with hash 755130548, now seen corresponding path program 1 times [2024-11-03 04:48:12,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:48:12,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115824592] [2024-11-03 04:48:12,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:48:12,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:12,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:48:12,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 04:48:12,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 04:48:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:48:12,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 04:48:12,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:48:12,284 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-03 04:48:12,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:48:12,384 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-03 04:48:12,385 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:48:12,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115824592] [2024-11-03 04:48:12,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2115824592] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 04:48:12,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 04:48:12,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-03 04:48:12,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074213164] [2024-11-03 04:48:12,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 04:48:12,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 04:48:12,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:48:12,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 04:48:12,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 04:48:12,413 INFO L87 Difference]: Start difference. First operand has 44 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-03 04:48:12,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:48:12,436 INFO L93 Difference]: Finished difference Result 81 states and 136 transitions. [2024-11-03 04:48:12,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 04:48:12,438 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 87 [2024-11-03 04:48:12,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:48:12,445 INFO L225 Difference]: With dead ends: 81 [2024-11-03 04:48:12,445 INFO L226 Difference]: Without dead ends: 40 [2024-11-03 04:48:12,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 172 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 04:48:12,452 INFO L432 NwaCegarLoop]: 57 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, 57 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 04:48:12,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 04:48:12,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-03 04:48:12,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-03 04:48:12,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-03 04:48:12,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 57 transitions. [2024-11-03 04:48:12,488 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 57 transitions. Word has length 87 [2024-11-03 04:48:12,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:48:12,489 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 57 transitions. [2024-11-03 04:48:12,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-03 04:48:12,490 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-11-03 04:48:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-03 04:48:12,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:48:12,494 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:48:12,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-03 04:48:12,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:12,695 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:48:12,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:48:12,696 INFO L85 PathProgramCache]: Analyzing trace with hash -297627592, now seen corresponding path program 1 times [2024-11-03 04:48:12,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:48:12,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601783708] [2024-11-03 04:48:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:48:12,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:12,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:48:12,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 04:48:12,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 04:48:12,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:48:12,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-03 04:48:12,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:48:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-03 04:48:13,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:48:15,648 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-03 04:48:15,649 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:48:15,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601783708] [2024-11-03 04:48:15,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [601783708] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:48:15,649 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:48:15,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2024-11-03 04:48:15,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461902270] [2024-11-03 04:48:15,649 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:48:15,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-03 04:48:15,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:48:15,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-03 04:48:15,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-03 04:48:15,655 INFO L87 Difference]: Start difference. First operand 40 states and 57 transitions. Second operand has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-03 04:48:20,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:48:20,343 INFO L93 Difference]: Finished difference Result 67 states and 85 transitions. [2024-11-03 04:48:20,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-03 04:48:20,351 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) Word has length 87 [2024-11-03 04:48:20,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:48:20,352 INFO L225 Difference]: With dead ends: 67 [2024-11-03 04:48:20,352 INFO L226 Difference]: Without dead ends: 65 [2024-11-03 04:48:20,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2024-11-03 04:48:20,354 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 128 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-03 04:48:20,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 205 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-03 04:48:20,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-03 04:48:20,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 59. [2024-11-03 04:48:20,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 40 states have internal predecessors, (44), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-03 04:48:20,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions. [2024-11-03 04:48:20,364 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 87 [2024-11-03 04:48:20,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:48:20,364 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions. [2024-11-03 04:48:20,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.0) internal successors, (45), 15 states have internal predecessors, (45), 2 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-03 04:48:20,364 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2024-11-03 04:48:20,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-03 04:48:20,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 04:48:20,366 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:48:20,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-03 04:48:20,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:20,570 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 04:48:20,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 04:48:20,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1213783843, now seen corresponding path program 1 times [2024-11-03 04:48:20,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 04:48:20,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671861980] [2024-11-03 04:48:20,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 04:48:20,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:20,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-03 04:48:20,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 04:48:20,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-03 04:48:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 04:48:20,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-03 04:48:20,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 04:48:21,651 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-03 04:48:21,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 04:48:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-03 04:48:22,501 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 04:48:22,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671861980] [2024-11-03 04:48:22,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1671861980] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 04:48:22,502 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 04:48:22,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 6] imperfect sequences [] total 12 [2024-11-03 04:48:22,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329637522] [2024-11-03 04:48:22,502 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 04:48:22,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-03 04:48:22,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 04:48:22,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-03 04:48:22,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-03 04:48:22,504 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-03 04:48:27,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 04:48:27,024 INFO L93 Difference]: Finished difference Result 103 states and 137 transitions. [2024-11-03 04:48:27,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-03 04:48:27,028 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 88 [2024-11-03 04:48:27,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 04:48:27,029 INFO L225 Difference]: With dead ends: 103 [2024-11-03 04:48:27,029 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 04:48:27,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2024-11-03 04:48:27,030 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 32 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-03 04:48:27,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 364 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-03 04:48:27,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 04:48:27,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 04:48:27,031 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 04:48:27,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 04:48:27,031 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2024-11-03 04:48:27,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 04:48:27,031 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 04:48:27,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 12 states have internal predecessors, (41), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-03 04:48:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 04:48:27,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 04:48:27,034 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 04:48:27,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-03 04:48:27,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-03 04:48:27,237 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-03 04:48:27,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 04:48:30,197 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 04:48:30,221 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 04:48:30,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 04:48:30,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 04:48:30,222 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 04:48:30,226 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 04:48:30,227 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 04:48:30,227 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-03 04:48:30,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 04:48:30,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 04:48:30,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 04:48:30,234 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 04:48:30,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:48:30 BoogieIcfgContainer [2024-11-03 04:48:30,241 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 04:48:30,242 INFO L158 Benchmark]: Toolchain (without parser) took 18977.23ms. Allocated memory was 201.3MB in the beginning and 261.1MB in the end (delta: 59.8MB). Free memory was 138.1MB in the beginning and 80.1MB in the end (delta: 58.0MB). Peak memory consumption was 120.2MB. Max. memory is 8.0GB. [2024-11-03 04:48:30,246 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 04:48:30,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.13ms. Allocated memory is still 201.3MB. Free memory was 137.9MB in the beginning and 124.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-03 04:48:30,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.02ms. Allocated memory is still 201.3MB. Free memory was 124.0MB in the beginning and 122.2MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-03 04:48:30,247 INFO L158 Benchmark]: Boogie Preprocessor took 48.28ms. Allocated memory is still 201.3MB. Free memory was 122.2MB in the beginning and 119.8MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-03 04:48:30,247 INFO L158 Benchmark]: RCFGBuilder took 432.35ms. Allocated memory was 201.3MB in the beginning and 261.1MB in the end (delta: 59.8MB). Free memory was 119.8MB in the beginning and 217.2MB in the end (delta: -97.4MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2024-11-03 04:48:30,247 INFO L158 Benchmark]: TraceAbstraction took 18191.50ms. Allocated memory is still 261.1MB. Free memory was 216.7MB in the beginning and 80.1MB in the end (delta: 136.6MB). Peak memory consumption was 137.1MB. Max. memory is 8.0GB. [2024-11-03 04:48:30,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 201.3MB. Free memory is still 150.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 265.13ms. Allocated memory is still 201.3MB. Free memory was 137.9MB in the beginning and 124.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.02ms. Allocated memory is still 201.3MB. Free memory was 124.0MB in the beginning and 122.2MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.28ms. Allocated memory is still 201.3MB. Free memory was 122.2MB in the beginning and 119.8MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 432.35ms. Allocated memory was 201.3MB in the beginning and 261.1MB in the end (delta: 59.8MB). Free memory was 119.8MB in the beginning and 217.2MB in the end (delta: -97.4MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * TraceAbstraction took 18191.50ms. Allocated memory is still 261.1MB. Free memory was 216.7MB in the beginning and 80.1MB in the end (delta: 136.6MB). Peak memory consumption was 137.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~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 * 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, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.1s, OverallIterations: 3, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 626 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 474 mSDsCounter, 108 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 472 IncrementalHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 108 mSolverCounterUnsat, 152 mSDtfsCounter, 472 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 541 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=2, InterpolantAutomatonStates: 31, 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 1754 SizeOfPredicates, 57 NumberOfNonLiveVariables, 417 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 2158/2184 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 04:48:30,306 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...