/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-02 21:44:07,638 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 21:44:07,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-02 21:44:07,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 21:44:07,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 21:44:07,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 21:44:07,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 21:44:07,743 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 21:44:07,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-02 21:44:07,745 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-02 21:44:07,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 21:44:07,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 21:44:07,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-02 21:44:07,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-02 21:44:07,746 INFO L153 SettingsManager]: * Use SBE=true [2024-11-02 21:44:07,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 21:44:07,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 21:44:07,751 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-02 21:44:07,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-02 21:44:07,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 21:44:07,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 21:44:07,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 21:44:07,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 21:44:07,752 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 21:44:07,752 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 21:44:07,753 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 21:44:07,753 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 21:44:07,753 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-02 21:44:07,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 21:44:07,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 21:44:07,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 21:44:07,754 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 21:44:07,754 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 21:44:07,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 21:44:07,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-02 21:44:07,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 21:44:07,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 21:44:07,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 21:44:07,756 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-02 21:44:07,756 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 21:44:07,756 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 21:44:07,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-02 21:44:07,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-02 21:44:07,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 21:44:07,757 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 21:44:07,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 21:44:08,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 21:44:08,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 21:44:08,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 21:44:08,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 21:44:08,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-02 21:44:09,446 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 21:44:09,645 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 21:44:09,645 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-02 21:44:09,655 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac39874e8/26268894185747d8832c0e70d3eada42/FLAG529b1e985 [2024-11-02 21:44:09,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac39874e8/26268894185747d8832c0e70d3eada42 [2024-11-02 21:44:09,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 21:44:09,681 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-02 21:44:09,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 21:44:09,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 21:44:09,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 21:44:09,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:09,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a94603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09, skipping insertion in model container [2024-11-02 21:44:09,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:09,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 21:44:09,884 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-1.i[914,927] [2024-11-02 21:44:09,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 21:44:09,926 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 21:44:09,938 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-1.i[914,927] [2024-11-02 21:44:09,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 21:44:09,984 INFO L204 MainTranslator]: Completed translation [2024-11-02 21:44:09,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09 WrapperNode [2024-11-02 21:44:09,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 21:44:09,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 21:44:09,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 21:44:09,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 21:44:09,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,028 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2024-11-02 21:44:10,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 21:44:10,029 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 21:44:10,029 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 21:44:10,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 21:44:10,039 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,052 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]. [2024-11-02 21:44:10,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 21:44:10,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 21:44:10,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 21:44:10,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 21:44:10,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (1/1) ... [2024-11-02 21:44:10,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-02 21:44:10,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-02 21:44:10,106 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) [2024-11-02 21:44:10,109 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 [2024-11-02 21:44:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 21:44:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-02 21:44:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-02 21:44:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-02 21:44:10,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 21:44:10,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 21:44:10,235 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 21:44:10,238 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 21:44:10,467 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-02 21:44:10,468 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 21:44:10,485 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 21:44:10,485 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 21:44:10,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:44:10 BoogieIcfgContainer [2024-11-02 21:44:10,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 21:44:10,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 21:44:10,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 21:44:10,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 21:44:10,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:44:09" (1/3) ... [2024-11-02 21:44:10,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4197bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:44:10, skipping insertion in model container [2024-11-02 21:44:10,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:44:09" (2/3) ... [2024-11-02 21:44:10,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c4197bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:44:10, skipping insertion in model container [2024-11-02 21:44:10,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:44:10" (3/3) ... [2024-11-02 21:44:10,497 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-1.i [2024-11-02 21:44:10,513 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 21:44:10,513 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 21:44:10,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 21:44:10,583 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;@4ebcedc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 21:44:10,583 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 21:44:10,587 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 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) [2024-11-02 21:44:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-02 21:44:10,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 21:44:10,596 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 21:44:10,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 21:44:10,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 21:44:10,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1042403981, now seen corresponding path program 1 times [2024-11-02 21:44:10,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-02 21:44:10,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [869897442] [2024-11-02 21:44:10,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 21:44:10,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 21:44:10,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-02 21:44:10,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 21:44:10,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-02 21:44:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 21:44:10,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-02 21:44:10,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 21:44:16,734 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 52 proven. 36 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-02 21:44:16,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 21:44:21,174 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-02 21:44:21,175 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-02 21:44:21,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [869897442] [2024-11-02 21:44:21,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [869897442] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-02 21:44:21,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-02 21:44:21,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2024-11-02 21:44:21,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078296962] [2024-11-02 21:44:21,178 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-02 21:44:21,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-02 21:44:21,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-02 21:44:21,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-02 21:44:21,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-02 21:44:21,208 INFO L87 Difference]: Start difference. First operand has 36 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 24 states have internal predecessors, (29), 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 19 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 19 states have internal predecessors, (40), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-02 21:44:22,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 21:44:22,667 INFO L93 Difference]: Finished difference Result 91 states and 138 transitions. [2024-11-02 21:44:22,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-02 21:44:22,670 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 19 states have internal predecessors, (40), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) Word has length 66 [2024-11-02 21:44:22,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 21:44:22,675 INFO L225 Difference]: With dead ends: 91 [2024-11-02 21:44:22,675 INFO L226 Difference]: Without dead ends: 58 [2024-11-02 21:44:22,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2024-11-02 21:44:22,681 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 53 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-02 21:44:22,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 230 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-02 21:44:22,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-02 21:44:22,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 46. [2024-11-02 21:44:22,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.064516129032258) internal successors, (33), 32 states have internal predecessors, (33), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-02 21:44:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2024-11-02 21:44:22,716 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 66 [2024-11-02 21:44:22,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 21:44:22,717 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2024-11-02 21:44:22,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.1052631578947367) internal successors, (40), 19 states have internal predecessors, (40), 4 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (19), 4 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-02 21:44:22,717 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2024-11-02 21:44:22,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-02 21:44:22,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 21:44:22,720 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-02 21:44:22,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-02 21:44:22,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 21:44:22,921 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 21:44:22,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 21:44:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1040556939, now seen corresponding path program 1 times [2024-11-02 21:44:22,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-02 21:44:22,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838543345] [2024-11-02 21:44:22,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 21:44:22,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 21:44:22,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-02 21:44:22,924 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-02 21:44:22,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-02 21:44:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-02 21:44:22,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-02 21:44:22,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-02 21:44:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 12 proven. 15 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-02 21:44:24,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-02 21:44:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-02 21:44:25,461 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-02 21:44:25,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838543345] [2024-11-02 21:44:25,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1838543345] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-02 21:44:25,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-02 21:44:25,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2024-11-02 21:44:25,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702171273] [2024-11-02 21:44:25,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-02 21:44:25,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-02 21:44:25,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-02 21:44:25,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-02 21:44:25,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-02 21:44:25,465 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-02 21:44:25,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-02 21:44:25,673 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2024-11-02 21:44:25,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-02 21:44:25,673 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 66 [2024-11-02 21:44:25,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-02 21:44:25,674 INFO L225 Difference]: With dead ends: 56 [2024-11-02 21:44:25,674 INFO L226 Difference]: Without dead ends: 0 [2024-11-02 21:44:25,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-02 21:44:25,676 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 20 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-02 21:44:25,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 193 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-02 21:44:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-02 21:44:25,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-02 21:44:25,677 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) [2024-11-02 21:44:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-02 21:44:25,678 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2024-11-02 21:44:25,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-02 21:44:25,678 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-02 21:44:25,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-02 21:44:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-02 21:44:25,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-02 21:44:25,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 21:44:25,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-02 21:44:25,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-02 21:44:25,885 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-02 21:44:25,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-02 21:44:26,650 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 21:44:26,659 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-02 21:44:26,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-02 21:44:26,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-02 21:44:26,660 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-02 21:44:26,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:44:26 BoogieIcfgContainer [2024-11-02 21:44:26,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 21:44:26,669 INFO L158 Benchmark]: Toolchain (without parser) took 16988.34ms. Allocated memory was 327.2MB in the beginning and 828.4MB in the end (delta: 501.2MB). Free memory was 281.5MB in the beginning and 742.0MB in the end (delta: -460.4MB). Peak memory consumption was 41.3MB. Max. memory is 8.0GB. [2024-11-02 21:44:26,670 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-02 21:44:26,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.53ms. Allocated memory is still 327.2MB. Free memory was 281.0MB in the beginning and 267.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-02 21:44:26,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.55ms. Allocated memory is still 327.2MB. Free memory was 267.4MB in the beginning and 265.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-02 21:44:26,671 INFO L158 Benchmark]: Boogie Preprocessor took 41.91ms. Allocated memory is still 327.2MB. Free memory was 265.8MB in the beginning and 263.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-02 21:44:26,671 INFO L158 Benchmark]: RCFGBuilder took 414.15ms. Allocated memory is still 327.2MB. Free memory was 263.2MB in the beginning and 249.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-02 21:44:26,671 INFO L158 Benchmark]: TraceAbstraction took 16179.39ms. Allocated memory was 327.2MB in the beginning and 828.4MB in the end (delta: 501.2MB). Free memory was 249.0MB in the beginning and 742.0MB in the end (delta: -492.9MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. [2024-11-02 21:44:26,673 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 302.53ms. Allocated memory is still 327.2MB. Free memory was 281.0MB in the beginning and 267.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.55ms. Allocated memory is still 327.2MB. Free memory was 267.4MB in the beginning and 265.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.91ms. Allocated memory is still 327.2MB. Free memory was 265.8MB in the beginning and 263.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 414.15ms. Allocated memory is still 327.2MB. Free memory was 263.2MB in the beginning and 249.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 16179.39ms. Allocated memory was 327.2MB in the beginning and 828.4MB in the end (delta: 501.2MB). Free memory was 249.0MB in the beginning and 742.0MB in the end (delta: -492.9MB). Peak memory consumption was 8.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode * 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: 15.3s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 423 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 340 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 336 IncrementalHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 83 mSDtfsCounter, 336 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 269 GetRequests, 233 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=1, InterpolantAutomatonStates: 22, 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 260 ConstructedInterpolants, 10 QuantifiedInterpolants, 2621 SizeOfPredicates, 32 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 645/720 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: 69]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_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))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11)))) RESULT: Ultimate proved your program to be correct! [2024-11-02 21:44:26,727 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...