/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-88.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 01:10:26,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 01:10:26,436 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 01:10:26,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 01:10:26,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 01:10:26,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 01:10:26,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 01:10:26,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 01:10:26,478 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 01:10:26,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 01:10:26,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 01:10:26,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 01:10:26,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 01:10:26,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 01:10:26,480 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 01:10:26,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 01:10:26,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 01:10:26,484 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 01:10:26,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 01:10:26,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 01:10:26,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 01:10:26,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 01:10:26,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 01:10:26,486 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 01:10:26,486 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 01:10:26,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 01:10:26,487 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 01:10:26,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 01:10:26,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 01:10:26,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 01:10:26,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 01:10:26,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 01:10:26,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 01:10:26,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 01:10:26,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 01:10:26,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 01:10:26,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 01:10:26,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 01:10:26,489 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 01:10:26,490 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 01:10:26,490 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 01:10:26,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 01:10:26,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 01:10:26,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 01:10:26,491 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-03 01:10:26,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 01:10:26,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 01:10:26,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 01:10:26,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 01:10:26,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 01:10:26,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-88.i [2024-11-03 01:10:28,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 01:10:28,325 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 01:10:28,325 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-88.i [2024-11-03 01:10:28,331 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da56572a5/5d99b0bfd7ce480da0194f115a60baa4/FLAG611e86262 [2024-11-03 01:10:28,344 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da56572a5/5d99b0bfd7ce480da0194f115a60baa4 [2024-11-03 01:10:28,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 01:10:28,348 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 01:10:28,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 01:10:28,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 01:10:28,354 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 01:10:28,355 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,356 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19afdc50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28, skipping insertion in model container [2024-11-03 01:10:28,356 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 01:10:28,547 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-88.i[915,928] [2024-11-03 01:10:28,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 01:10:28,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 01:10:28,602 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-88.i[915,928] [2024-11-03 01:10:28,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 01:10:28,637 INFO L204 MainTranslator]: Completed translation [2024-11-03 01:10:28,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28 WrapperNode [2024-11-03 01:10:28,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 01:10:28,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 01:10:28,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 01:10:28,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 01:10:28,646 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,674 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2024-11-03 01:10:28,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 01:10:28,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 01:10:28,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 01:10:28,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 01:10:28,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,692 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,710 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 01:10:28,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 01:10:28,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 01:10:28,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 01:10:28,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 01:10:28,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (1/1) ... [2024-11-03 01:10:28,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 01:10:28,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 01:10:28,769 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 01:10:28,771 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 01:10:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 01:10:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 01:10:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 01:10:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 01:10:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 01:10:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 01:10:28,856 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 01:10:28,857 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 01:10:29,018 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-03 01:10:29,018 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 01:10:29,030 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 01:10:29,031 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 01:10:29,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:10:29 BoogieIcfgContainer [2024-11-03 01:10:29,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 01:10:29,034 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 01:10:29,035 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 01:10:29,038 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 01:10:29,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:10:28" (1/3) ... [2024-11-03 01:10:29,039 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7117e2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:10:29, skipping insertion in model container [2024-11-03 01:10:29,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:10:28" (2/3) ... [2024-11-03 01:10:29,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7117e2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:10:29, skipping insertion in model container [2024-11-03 01:10:29,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:10:29" (3/3) ... [2024-11-03 01:10:29,041 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-88.i [2024-11-03 01:10:29,056 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 01:10:29,056 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 01:10:29,154 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 01:10:29,161 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;@62d920ef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 01:10:29,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 01:10:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 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) [2024-11-03 01:10:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-03 01:10:29,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 01:10:29,175 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] [2024-11-03 01:10:29,175 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 01:10:29,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 01:10:29,181 INFO L85 PathProgramCache]: Analyzing trace with hash -927168940, now seen corresponding path program 1 times [2024-11-03 01:10:29,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 01:10:29,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928494706] [2024-11-03 01:10:29,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 01:10:29,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 01:10:29,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 01:10:29,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 01:10:29,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-03 01:10:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 01:10:29,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-03 01:10:29,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 01:10:29,547 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 01:10:29,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 01:10:29,732 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 01:10:29,733 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 01:10:29,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928494706] [2024-11-03 01:10:29,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [928494706] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 01:10:29,734 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 01:10:29,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2024-11-03 01:10:29,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871741925] [2024-11-03 01:10:29,736 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 01:10:29,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-03 01:10:29,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 01:10:29,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-03 01:10:29,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-03 01:10:29,758 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 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) 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, (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) [2024-11-03 01:10:29,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 01:10:29,968 INFO L93 Difference]: Finished difference Result 86 states and 144 transitions. [2024-11-03 01:10:29,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 01:10:29,971 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, (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 [2024-11-03 01:10:29,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 01:10:29,979 INFO L225 Difference]: With dead ends: 86 [2024-11-03 01:10:29,979 INFO L226 Difference]: Without dead ends: 54 [2024-11-03 01:10:29,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-03 01:10:29,989 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 36 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 01:10:29,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 241 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 01:10:30,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-03 01:10:30,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2024-11-03 01:10:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 31 states have internal predecessors, (32), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-03 01:10:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2024-11-03 01:10:30,031 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 68 transitions. Word has length 65 [2024-11-03 01:10:30,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 01:10:30,032 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 68 transitions. [2024-11-03 01:10:30,032 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, (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) [2024-11-03 01:10:30,032 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2024-11-03 01:10:30,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-03 01:10:30,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 01:10:30,035 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] [2024-11-03 01:10:30,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-03 01:10:30,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 01:10:30,238 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 01:10:30,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 01:10:30,239 INFO L85 PathProgramCache]: Analyzing trace with hash -925321898, now seen corresponding path program 1 times [2024-11-03 01:10:30,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 01:10:30,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [955824289] [2024-11-03 01:10:30,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 01:10:30,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-03 01:10:30,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-03 01:10:30,242 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-03 01:10:30,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-03 01:10:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 01:10:30,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-03 01:10:30,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 01:10:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 144 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-03 01:10:31,476 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 01:10:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 01:10:31,834 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 01:10:31,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [955824289] [2024-11-03 01:10:31,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [955824289] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 01:10:31,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 01:10:31,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [21] total 25 [2024-11-03 01:10:31,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662132084] [2024-11-03 01:10:31,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 01:10:31,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-03 01:10:31,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 01:10:31,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-03 01:10:31,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2024-11-03 01:10:31,838 INFO L87 Difference]: Start difference. First operand 51 states and 68 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-11-03 01:10:32,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 01:10:32,190 INFO L93 Difference]: Finished difference Result 54 states and 71 transitions. [2024-11-03 01:10:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-03 01:10:32,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 [2024-11-03 01:10:32,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 01:10:32,192 INFO L225 Difference]: With dead ends: 54 [2024-11-03 01:10:32,192 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 01:10:32,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2024-11-03 01:10:32,194 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 33 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 01:10:32,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 230 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 01:10:32,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 01:10:32,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 01:10:32,195 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 01:10:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 01:10:32,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2024-11-03 01:10:32,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 01:10:32,196 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 01:10:32,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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) [2024-11-03 01:10:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 01:10:32,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 01:10:32,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 01:10:32,203 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-03 01:10:32,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-03 01:10:32,403 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-03 01:10:32,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 01:10:32,426 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 01:10:32,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 01:10:32 BoogieIcfgContainer [2024-11-03 01:10:32,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 01:10:32,450 INFO L158 Benchmark]: Toolchain (without parser) took 4102.31ms. Allocated memory was 183.5MB in the beginning and 275.8MB in the end (delta: 92.3MB). Free memory was 132.4MB in the beginning and 221.9MB in the end (delta: -89.5MB). Peak memory consumption was 3.4MB. Max. memory is 8.0GB. [2024-11-03 01:10:32,450 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 183.5MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 01:10:32,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.31ms. Allocated memory is still 183.5MB. Free memory was 132.4MB in the beginning and 118.4MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 01:10:32,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.25ms. Allocated memory is still 183.5MB. Free memory was 118.4MB in the beginning and 116.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 01:10:32,451 INFO L158 Benchmark]: Boogie Preprocessor took 54.18ms. Allocated memory is still 183.5MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 01:10:32,452 INFO L158 Benchmark]: RCFGBuilder took 301.29ms. Allocated memory is still 183.5MB. Free memory was 114.6MB in the beginning and 102.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 01:10:32,452 INFO L158 Benchmark]: TraceAbstraction took 3415.01ms. Allocated memory was 183.5MB in the beginning and 275.8MB in the end (delta: 92.3MB). Free memory was 101.7MB in the beginning and 221.9MB in the end (delta: -120.2MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 01:10:32,456 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 183.5MB. Free memory is still 137.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 289.31ms. Allocated memory is still 183.5MB. Free memory was 132.4MB in the beginning and 118.4MB in the end (delta: 14.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.25ms. Allocated memory is still 183.5MB. Free memory was 118.4MB in the beginning and 116.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.18ms. Allocated memory is still 183.5MB. Free memory was 116.7MB in the beginning and 114.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 301.29ms. Allocated memory is still 183.5MB. Free memory was 114.6MB in the beginning and 102.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3415.01ms. Allocated memory was 183.5MB in the beginning and 275.8MB in the end (delta: 92.3MB). Free memory was 101.7MB in the beginning and 221.9MB in the end (delta: -120.2MB). There was no memory consumed. 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 471 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 349 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 122 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 260 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=1, InterpolantAutomatonStates: 12, 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, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 764 SizeOfPredicates, 24 NumberOfNonLiveVariables, 218 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 693/720 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_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (last_1_var_1_1 == \old(last_1_var_1_1))) RESULT: Ultimate proved your program to be correct! [2024-11-03 01:10:32,493 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...