/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-65.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 12:43:53,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 12:43:53,329 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 12:43:53,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 12:43:53,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 12:43:53,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 12:43:53,359 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 12:43:53,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 12:43:53,360 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 12:43:53,360 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 12:43:53,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 12:43:53,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 12:43:53,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 12:43:53,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 12:43:53,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 12:43:53,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 12:43:53,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 12:43:53,365 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 12:43:53,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 12:43:53,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 12:43:53,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 12:43:53,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 12:43:53,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 12:43:53,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 12:43:53,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 12:43:53,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 12:43:53,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 12:43:53,368 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 12:43:53,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 12:43:53,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 12:43:53,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 12:43:53,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 12:43:53,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 12:43:53,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 12:43:53,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:43:53,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 12:43:53,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 12:43:53,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 12:43:53,369 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 12:43:53,370 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 12:43:53,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 12:43:53,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 12:43:53,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 12:43:53,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 12:43:53,371 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 12:43:53,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 12:43:53,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 12:43:53,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 12:43:53,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 12:43:53,566 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 12:43:53,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-65.i [2024-11-03 12:43:54,751 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 12:43:54,903 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 12:43:54,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-65.i [2024-11-03 12:43:54,909 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92dffe6a9/8fa21fce50a34cbe8e870ca68bdf696a/FLAGa902f4d01 [2024-11-03 12:43:55,321 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92dffe6a9/8fa21fce50a34cbe8e870ca68bdf696a [2024-11-03 12:43:55,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 12:43:55,324 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 12:43:55,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 12:43:55,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 12:43:55,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 12:43:55,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc84c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55, skipping insertion in model container [2024-11-03 12:43:55,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 12:43:55,475 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-65.i[915,928] [2024-11-03 12:43:55,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:43:55,504 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 12:43:55,517 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-65.i[915,928] [2024-11-03 12:43:55,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:43:55,543 INFO L204 MainTranslator]: Completed translation [2024-11-03 12:43:55,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55 WrapperNode [2024-11-03 12:43:55,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 12:43:55,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 12:43:55,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 12:43:55,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 12:43:55,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,571 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-03 12:43:55,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 12:43:55,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 12:43:55,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 12:43:55,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 12:43:55,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,582 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,590 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 12:43:55,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 12:43:55,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 12:43:55,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 12:43:55,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 12:43:55,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (1/1) ... [2024-11-03 12:43:55,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:43:55,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 12:43:55,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 12:43:55,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 12:43:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 12:43:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 12:43:55,676 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 12:43:55,676 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 12:43:55,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 12:43:55,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 12:43:55,731 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 12:43:55,733 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 12:43:55,919 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-03 12:43:55,919 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 12:43:55,930 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 12:43:55,931 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 12:43:55,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:43:55 BoogieIcfgContainer [2024-11-03 12:43:55,932 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 12:43:55,935 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 12:43:55,935 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 12:43:55,938 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 12:43:55,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:43:55" (1/3) ... [2024-11-03 12:43:55,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b8b167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:43:55, skipping insertion in model container [2024-11-03 12:43:55,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:55" (2/3) ... [2024-11-03 12:43:55,940 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b8b167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:43:55, skipping insertion in model container [2024-11-03 12:43:55,940 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:43:55" (3/3) ... [2024-11-03 12:43:55,941 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-65.i [2024-11-03 12:43:55,955 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 12:43:55,955 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 12:43:56,010 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 12:43:56,015 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;@bdceb13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 12:43:56,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 12:43:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-03 12:43:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-03 12:43:56,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:43:56,028 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:43:56,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:43:56,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:43:56,032 INFO L85 PathProgramCache]: Analyzing trace with hash -618275677, now seen corresponding path program 1 times [2024-11-03 12:43:56,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:43:56,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341523013] [2024-11-03 12:43:56,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:43:56,041 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:43:56,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:56,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:43:56,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 12:43:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:43:56,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-03 12:43:56,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:43:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 12:43:57,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:43:57,844 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 12:43:57,845 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:43:57,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341523013] [2024-11-03 12:43:57,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1341523013] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:43:57,846 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:43:57,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2024-11-03 12:43:57,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086682620] [2024-11-03 12:43:57,847 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:43:57,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-03 12:43:57,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:43:57,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-03 12:43:57,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-03 12:43:57,871 INFO L87 Difference]: Start difference. First operand has 36 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 12:43:58,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:43:58,570 INFO L93 Difference]: Finished difference Result 71 states and 114 transitions. [2024-11-03 12:43:58,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 12:43:58,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 70 [2024-11-03 12:43:58,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:43:58,580 INFO L225 Difference]: With dead ends: 71 [2024-11-03 12:43:58,581 INFO L226 Difference]: Without dead ends: 38 [2024-11-03 12:43:58,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-03 12:43:58,585 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 5 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-03 12:43:58,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 217 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-03 12:43:58,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-03 12:43:58,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 35. [2024-11-03 12:43:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-03 12:43:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2024-11-03 12:43:58,620 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 70 [2024-11-03 12:43:58,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:43:58,621 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2024-11-03 12:43:58,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 12:43:58,622 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-03 12:43:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-03 12:43:58,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:43:58,626 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:43:58,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-03 12:43:58,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:58,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:43:58,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:43:58,828 INFO L85 PathProgramCache]: Analyzing trace with hash -616428635, now seen corresponding path program 1 times [2024-11-03 12:43:58,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:43:58,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [488834206] [2024-11-03 12:43:58,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:43:58,828 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:43:58,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:58,829 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:43:58,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 12:43:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:43:58,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-03 12:43:58,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:43:59,553 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 12:43:59,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:44:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-03 12:44:00,459 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:44:00,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [488834206] [2024-11-03 12:44:00,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [488834206] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:44:00,459 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:44:00,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2024-11-03 12:44:00,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833671425] [2024-11-03 12:44:00,460 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:44:00,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-03 12:44:00,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:44:00,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-03 12:44:00,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-03 12:44:00,463 INFO L87 Difference]: Start difference. First operand 35 states and 46 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 12:44:01,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:44:01,931 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2024-11-03 12:44:01,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-03 12:44:01,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 70 [2024-11-03 12:44:01,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:44:01,935 INFO L225 Difference]: With dead ends: 40 [2024-11-03 12:44:01,935 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 12:44:01,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-03 12:44:01,936 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 10 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-03 12:44:01,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 189 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-03 12:44:01,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 12:44:01,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 12:44:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 12:44:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 12:44:01,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2024-11-03 12:44:01,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:44:01,938 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 12:44:01,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 12:44:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 12:44:01,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 12:44:01,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 12:44:01,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 12:44:02,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:44:02,149 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-03 12:44:02,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 12:44:02,169 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 12:44:02,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 12:44:02 BoogieIcfgContainer [2024-11-03 12:44:02,183 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 12:44:02,184 INFO L158 Benchmark]: Toolchain (without parser) took 6860.19ms. Allocated memory was 202.4MB in the beginning and 318.8MB in the end (delta: 116.4MB). Free memory was 140.9MB in the beginning and 102.5MB in the end (delta: 38.4MB). Peak memory consumption was 157.3MB. Max. memory is 8.0GB. [2024-11-03 12:44:02,184 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory was 152.8MB in the beginning and 152.6MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 12:44:02,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.99ms. Allocated memory is still 202.4MB. Free memory was 140.8MB in the beginning and 127.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 12:44:02,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.70ms. Allocated memory is still 202.4MB. Free memory was 126.9MB in the beginning and 125.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-03 12:44:02,189 INFO L158 Benchmark]: Boogie Preprocessor took 33.52ms. Allocated memory is still 202.4MB. Free memory was 125.4MB in the beginning and 123.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 12:44:02,190 INFO L158 Benchmark]: RCFGBuilder took 326.87ms. Allocated memory was 202.4MB in the beginning and 265.3MB in the end (delta: 62.9MB). Free memory was 123.0MB in the beginning and 221.7MB in the end (delta: -98.7MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. [2024-11-03 12:44:02,190 INFO L158 Benchmark]: TraceAbstraction took 6248.33ms. Allocated memory was 265.3MB in the beginning and 318.8MB in the end (delta: 53.5MB). Free memory was 220.7MB in the beginning and 102.5MB in the end (delta: 118.1MB). Peak memory consumption was 172.1MB. Max. memory is 8.0GB. [2024-11-03 12:44:02,191 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 202.4MB. Free memory was 152.8MB in the beginning and 152.6MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 218.99ms. Allocated memory is still 202.4MB. Free memory was 140.8MB in the beginning and 127.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.70ms. Allocated memory is still 202.4MB. Free memory was 126.9MB in the beginning and 125.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.52ms. Allocated memory is still 202.4MB. Free memory was 125.4MB in the beginning and 123.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 326.87ms. Allocated memory was 202.4MB in the beginning and 265.3MB in the end (delta: 62.9MB). Free memory was 123.0MB in the beginning and 221.7MB in the end (delta: -98.7MB). Peak memory consumption was 10.3MB. Max. memory is 8.0GB. * TraceAbstraction took 6248.33ms. Allocated memory was 265.3MB in the beginning and 318.8MB in the end (delta: 53.5MB). Free memory was 220.7MB in the beginning and 102.5MB in the end (delta: 118.1MB). Peak memory consumption was 172.1MB. 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, 36 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.2s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 406 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 325 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 81 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 282 GetRequests, 261 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 412 SizeOfPredicates, 20 NumberOfNonLiveVariables, 232 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 880/880 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: 67]: 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_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) RESULT: Ultimate proved your program to be correct! [2024-11-03 12:44:02,226 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...