/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-78.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-05 23:18:10,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 23:18:10,298 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-05 23:18:10,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 23:18:10,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 23:18:10,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 23:18:10,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 23:18:10,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 23:18:10,334 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 23:18:10,334 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 23:18:10,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 23:18:10,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 23:18:10,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 23:18:10,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 23:18:10,336 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 23:18:10,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 23:18:10,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 23:18:10,339 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-05 23:18:10,340 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-05 23:18:10,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 23:18:10,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 23:18:10,342 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 23:18:10,342 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 23:18:10,342 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 23:18:10,343 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 23:18:10,343 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 23:18:10,343 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 23:18:10,343 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-05 23:18:10,344 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 23:18:10,344 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 23:18:10,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 23:18:10,344 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 23:18:10,345 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 23:18:10,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 23:18:10,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 23:18:10,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 23:18:10,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 23:18:10,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 23:18:10,346 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 23:18:10,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 23:18:10,347 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 23:18:10,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 23:18:10,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 23:18:10,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 23:18:10,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-05 23:18:10,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 23:18:10,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 23:18:10,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 23:18:10,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 23:18:10,602 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 23:18:10,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-78.i [2024-11-05 23:18:12,052 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 23:18:12,242 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 23:18:12,242 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-78.i [2024-11-05 23:18:12,252 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27fd94ee6/cf3eb18adf254348aeddf6170616033c/FLAG127632cf0 [2024-11-05 23:18:12,634 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27fd94ee6/cf3eb18adf254348aeddf6170616033c [2024-11-05 23:18:12,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 23:18:12,638 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 23:18:12,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 23:18:12,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 23:18:12,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 23:18:12,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:12,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ab1181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12, skipping insertion in model container [2024-11-05 23:18:12,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:12,675 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 23:18:12,847 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-78.i[915,928] [2024-11-05 23:18:12,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 23:18:12,897 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 23:18:12,913 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-78.i[915,928] [2024-11-05 23:18:12,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 23:18:12,939 INFO L204 MainTranslator]: Completed translation [2024-11-05 23:18:12,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12 WrapperNode [2024-11-05 23:18:12,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 23:18:12,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 23:18:12,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 23:18:12,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 23:18:12,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:12,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:12,973 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-05 23:18:12,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 23:18:12,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 23:18:12,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 23:18:12,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 23:18:12,984 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:12,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:12,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:12,998 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]. [2024-11-05 23:18:12,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:12,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:13,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:13,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:13,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:13,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:13,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 23:18:13,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 23:18:13,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 23:18:13,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 23:18:13,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (1/1) ... [2024-11-05 23:18:13,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 23:18:13,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 23:18:13,052 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) [2024-11-05 23:18:13,065 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 [2024-11-05 23:18:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 23:18:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 23:18:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 23:18:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 23:18:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 23:18:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 23:18:13,188 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 23:18:13,190 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 23:18:13,391 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-05 23:18:13,391 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 23:18:13,408 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 23:18:13,408 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 23:18:13,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:18:13 BoogieIcfgContainer [2024-11-05 23:18:13,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 23:18:13,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 23:18:13,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 23:18:13,416 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 23:18:13,417 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 11:18:12" (1/3) ... [2024-11-05 23:18:13,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba4f88e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:18:13, skipping insertion in model container [2024-11-05 23:18:13,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 11:18:12" (2/3) ... [2024-11-05 23:18:13,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba4f88e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 11:18:13, skipping insertion in model container [2024-11-05 23:18:13,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 11:18:13" (3/3) ... [2024-11-05 23:18:13,420 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-78.i [2024-11-05 23:18:13,438 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 23:18:13,439 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 23:18:13,509 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 23:18:13,516 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;@33d5df9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 23:18:13,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 23:18:13,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 25 states have internal predecessors, (32), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-05 23:18:13,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-05 23:18:13,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:18:13,532 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 23:18:13,533 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:18:13,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:18:13,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1834674241, now seen corresponding path program 1 times [2024-11-05 23:18:13,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:18:13,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444102982] [2024-11-05 23:18:13,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:18:13,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:18:13,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:18:13,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 23:18:13,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 23:18:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:18:13,689 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 23:18:13,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:18:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-05 23:18:13,768 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 23:18:13,773 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:18:13,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444102982] [2024-11-05 23:18:13,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444102982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 23:18:13,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 23:18:13,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-05 23:18:13,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055483162] [2024-11-05 23:18:13,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:18:13,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 23:18:13,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:18:13,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 23:18:13,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 23:18:13,809 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 25 states have internal predecessors, (32), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 23:18:13,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:18:13,835 INFO L93 Difference]: Finished difference Result 67 states and 108 transitions. [2024-11-05 23:18:13,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 23:18:13,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2024-11-05 23:18:13,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:18:13,844 INFO L225 Difference]: With dead ends: 67 [2024-11-05 23:18:13,844 INFO L226 Difference]: Without dead ends: 33 [2024-11-05 23:18:13,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 23:18:13,853 INFO L432 NwaCegarLoop]: 45 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, 45 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 [2024-11-05 23:18:13,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 23:18:13,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-05 23:18:13,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-05 23:18:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-05 23:18:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 45 transitions. [2024-11-05 23:18:13,897 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 45 transitions. Word has length 65 [2024-11-05 23:18:13,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:18:13,898 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 45 transitions. [2024-11-05 23:18:13,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 23:18:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-11-05 23:18:13,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-05 23:18:13,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:18:13,902 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 23:18:13,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 23:18:14,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:18:14,107 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:18:14,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:18:14,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1906436481, now seen corresponding path program 1 times [2024-11-05 23:18:14,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:18:14,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178369639] [2024-11-05 23:18:14,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:18:14,109 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:18:14,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:18:14,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 23:18:14,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 23:18:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:18:14,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-05 23:18:14,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:18:15,376 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 23:18:15,376 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-05 23:18:15,376 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:18:15,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178369639] [2024-11-05 23:18:15,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178369639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-05 23:18:15,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-05 23:18:15,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-05 23:18:15,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124505523] [2024-11-05 23:18:15,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:18:15,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 23:18:15,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:18:15,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 23:18:15,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-05 23:18:15,383 INFO L87 Difference]: Start difference. First operand 33 states and 45 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 23:18:15,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:18:15,489 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2024-11-05 23:18:15,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 23:18:15,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2024-11-05 23:18:15,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:18:15,492 INFO L225 Difference]: With dead ends: 41 [2024-11-05 23:18:15,492 INFO L226 Difference]: Without dead ends: 39 [2024-11-05 23:18:15,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-05 23:18:15,493 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 5 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 23:18:15,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 158 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 23:18:15,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-05 23:18:15,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2024-11-05 23:18:15,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-05 23:18:15,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2024-11-05 23:18:15,505 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 65 [2024-11-05 23:18:15,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:18:15,507 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-11-05 23:18:15,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 23:18:15,509 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-05 23:18:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-05 23:18:15,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:18:15,512 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 23:18:15,517 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-05 23:18:15,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:18:15,713 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:18:15,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:18:15,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1413334919, now seen corresponding path program 1 times [2024-11-05 23:18:15,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:18:15,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508596875] [2024-11-05 23:18:15,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:18:15,715 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:18:15,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:18:15,721 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 23:18:15,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 23:18:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:18:15,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-05 23:18:15,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:18:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 43 proven. 24 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-05 23:18:16,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 23:18:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 23:18:16,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:18:16,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508596875] [2024-11-05 23:18:16,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508596875] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 23:18:16,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 23:18:16,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-05 23:18:16,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758407027] [2024-11-05 23:18:16,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:18:16,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 23:18:16,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:18:16,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 23:18:16,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-05 23:18:16,813 INFO L87 Difference]: Start difference. First operand 36 states and 48 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 23:18:16,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:18:16,925 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2024-11-05 23:18:16,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 23:18:16,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 66 [2024-11-05 23:18:16,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:18:16,927 INFO L225 Difference]: With dead ends: 44 [2024-11-05 23:18:16,927 INFO L226 Difference]: Without dead ends: 42 [2024-11-05 23:18:16,927 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-05 23:18:16,928 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 5 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 23:18:16,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 151 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 23:18:16,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-05 23:18:16,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 36. [2024-11-05 23:18:16,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-05 23:18:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 48 transitions. [2024-11-05 23:18:16,936 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 48 transitions. Word has length 66 [2024-11-05 23:18:16,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:18:16,938 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 48 transitions. [2024-11-05 23:18:16,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 23:18:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 48 transitions. [2024-11-05 23:18:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-05 23:18:16,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 23:18:16,939 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 23:18:16,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-05 23:18:17,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:18:17,143 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 23:18:17,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 23:18:17,144 INFO L85 PathProgramCache]: Analyzing trace with hash -811131303, now seen corresponding path program 1 times [2024-11-05 23:18:17,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-05 23:18:17,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1336720761] [2024-11-05 23:18:17,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 23:18:17,145 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:18:17,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 23:18:17,148 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 23:18:17,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 23:18:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 23:18:17,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-05 23:18:17,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 23:18:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 43 proven. 24 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-05 23:18:18,273 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 23:18:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-05 23:18:18,679 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-05 23:18:18,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1336720761] [2024-11-05 23:18:18,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1336720761] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 23:18:18,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 23:18:18,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-05 23:18:18,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513155830] [2024-11-05 23:18:18,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 23:18:18,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 23:18:18,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-05 23:18:18,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 23:18:18,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-05 23:18:18,683 INFO L87 Difference]: Start difference. First operand 36 states and 48 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 23:18:18,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 23:18:18,847 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2024-11-05 23:18:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 23:18:18,848 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-05 23:18:18,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 23:18:18,849 INFO L225 Difference]: With dead ends: 48 [2024-11-05 23:18:18,849 INFO L226 Difference]: Without dead ends: 0 [2024-11-05 23:18:18,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-11-05 23:18:18,850 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 18 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 23:18:18,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 208 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 23:18:18,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-05 23:18:18,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-05 23:18:18,852 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) [2024-11-05 23:18:18,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-05 23:18:18,852 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-11-05 23:18:18,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 23:18:18,852 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-05 23:18:18,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-05 23:18:18,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-05 23:18:18,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-05 23:18:18,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-05 23:18:18,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-05 23:18:19,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 23:18:19,062 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-05 23:18:19,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-05 23:18:19,085 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-05 23:18:19,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.11 11:18:19 BoogieIcfgContainer [2024-11-05 23:18:19,110 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-05 23:18:19,111 INFO L158 Benchmark]: Toolchain (without parser) took 6472.21ms. Allocated memory was 303.0MB in the beginning and 363.9MB in the end (delta: 60.8MB). Free memory was 257.5MB in the beginning and 133.7MB in the end (delta: 123.8MB). Peak memory consumption was 185.4MB. Max. memory is 8.0GB. [2024-11-05 23:18:19,111 INFO L158 Benchmark]: CDTParser took 1.12ms. Allocated memory is still 201.3MB. Free memory is still 156.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 23:18:19,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.87ms. Allocated memory is still 303.0MB. Free memory was 257.5MB in the beginning and 243.7MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-05 23:18:19,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.87ms. Allocated memory is still 303.0MB. Free memory was 243.7MB in the beginning and 242.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-05 23:18:19,113 INFO L158 Benchmark]: Boogie Preprocessor took 39.46ms. Allocated memory is still 303.0MB. Free memory was 242.1MB in the beginning and 239.6MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-05 23:18:19,113 INFO L158 Benchmark]: RCFGBuilder took 394.08ms. Allocated memory is still 303.0MB. Free memory was 239.6MB in the beginning and 227.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-05 23:18:19,113 INFO L158 Benchmark]: TraceAbstraction took 5697.01ms. Allocated memory was 303.0MB in the beginning and 363.9MB in the end (delta: 60.8MB). Free memory was 226.4MB in the beginning and 133.7MB in the end (delta: 92.7MB). Peak memory consumption was 155.0MB. Max. memory is 8.0GB. [2024-11-05 23:18:19,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12ms. Allocated memory is still 201.3MB. Free memory is still 156.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 300.87ms. Allocated memory is still 303.0MB. Free memory was 257.5MB in the beginning and 243.7MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.87ms. Allocated memory is still 303.0MB. Free memory was 243.7MB in the beginning and 242.1MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 39.46ms. Allocated memory is still 303.0MB. Free memory was 242.1MB in the beginning and 239.6MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 394.08ms. Allocated memory is still 303.0MB. Free memory was 239.6MB in the beginning and 227.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 5697.01ms. Allocated memory was 303.0MB in the beginning and 363.9MB in the end (delta: 60.8MB). Free memory was 226.4MB in the beginning and 133.7MB in the end (delta: 92.7MB). Peak memory consumption was 155.0MB. Max. memory is 8.0GB. * 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 562 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 385 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 177 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 397 GetRequests, 363 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 390 ConstructedInterpolants, 0 QuantifiedInterpolants, 841 SizeOfPredicates, 26 NumberOfNonLiveVariables, 433 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 1032/1080 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: 70]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((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))) RESULT: Ultimate proved your program to be correct! [2024-11-05 23:18:19,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...