/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-49.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 12:43:08,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 12:43:08,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 12:43:08,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 12:43:08,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 12:43:08,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 12:43:08,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 12:43:08,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 12:43:08,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 12:43:08,827 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 12:43:08,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 12:43:08,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 12:43:08,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 12:43:08,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 12:43:08,828 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 12:43:08,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 12:43:08,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 12:43:08,829 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 12:43:08,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 12:43:08,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 12:43:08,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 12:43:08,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 12:43:08,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 12:43:08,831 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 12:43:08,831 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 12:43:08,831 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 12:43:08,831 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 12:43:08,831 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 12:43:08,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 12:43:08,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 12:43:08,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 12:43:08,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 12:43:08,832 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 12:43:08,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 12:43:08,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:43:08,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 12:43:08,833 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 12:43:08,833 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 12:43:08,833 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 12:43:08,833 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 12:43:08,833 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 12:43:08,834 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 12:43:08,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 12:43:08,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 12:43:08,834 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 12:43:09,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 12:43:09,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 12:43:09,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 12:43:09,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 12:43:09,034 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 12:43:09,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-49.i [2024-11-03 12:43:10,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 12:43:10,365 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 12:43:10,365 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-49.i [2024-11-03 12:43:10,370 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/103d128f1/b2ea6a55082341c9a0e0f3149d20d9ab/FLAG466066c15 [2024-11-03 12:43:10,787 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/103d128f1/b2ea6a55082341c9a0e0f3149d20d9ab [2024-11-03 12:43:10,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 12:43:10,791 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 12:43:10,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 12:43:10,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 12:43:10,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 12:43:10,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:10,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d765db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10, skipping insertion in model container [2024-11-03 12:43:10,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:10,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 12:43:10,938 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-49.i[915,928] [2024-11-03 12:43:10,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:43:10,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 12:43:10,971 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-49.i[915,928] [2024-11-03 12:43:10,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:43:10,993 INFO L204 MainTranslator]: Completed translation [2024-11-03 12:43:10,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10 WrapperNode [2024-11-03 12:43:10,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 12:43:10,996 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 12:43:10,996 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 12:43:10,996 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 12:43:11,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,021 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2024-11-03 12:43:11,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 12:43:11,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 12:43:11,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 12:43:11,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 12:43:11,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,031 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,039 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 12:43:11,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 12:43:11,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 12:43:11,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 12:43:11,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 12:43:11,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (1/1) ... [2024-11-03 12:43:11,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:43:11,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 12:43:11,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-03 12:43:11,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-03 12:43:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 12:43:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 12:43:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 12:43:11,088 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 12:43:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 12:43:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 12:43:11,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 12:43:11,140 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 12:43:11,264 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-03 12:43:11,264 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 12:43:11,273 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 12:43:11,273 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 12:43:11,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:43:11 BoogieIcfgContainer [2024-11-03 12:43:11,273 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 12:43:11,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 12:43:11,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 12:43:11,280 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 12:43:11,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:43:10" (1/3) ... [2024-11-03 12:43:11,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a10549e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:43:11, skipping insertion in model container [2024-11-03 12:43:11,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:43:10" (2/3) ... [2024-11-03 12:43:11,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a10549e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:43:11, skipping insertion in model container [2024-11-03 12:43:11,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:43:11" (3/3) ... [2024-11-03 12:43:11,282 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-49.i [2024-11-03 12:43:11,292 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 12:43:11,292 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 12:43:11,327 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 12:43:11,333 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;@292ca01e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 12:43:11,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 12:43:11,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-03 12:43:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-03 12:43:11,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:43:11,342 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:43:11,342 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:43:11,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:43:11,346 INFO L85 PathProgramCache]: Analyzing trace with hash -783009165, now seen corresponding path program 1 times [2024-11-03 12:43:11,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:43:11,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447850414] [2024-11-03 12:43:11,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:43:11,353 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:43:11,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:11,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:43:11,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 12:43:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:43:11,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 12:43:11,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:43:11,458 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-03 12:43:11,458 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:43:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-11-03 12:43:11,511 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:43:11,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447850414] [2024-11-03 12:43:11,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [447850414] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:43:11,512 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:43:11,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 12:43:11,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782439837] [2024-11-03 12:43:11,514 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:43:11,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 12:43:11,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:43:11,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 12:43:11,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 12:43:11,531 INFO L87 Difference]: Start difference. First operand has 34 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 24 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-03 12:43:11,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:43:11,545 INFO L93 Difference]: Finished difference Result 61 states and 94 transitions. [2024-11-03 12:43:11,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 12:43:11,547 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) Word has length 55 [2024-11-03 12:43:11,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:43:11,552 INFO L225 Difference]: With dead ends: 61 [2024-11-03 12:43:11,552 INFO L226 Difference]: Without dead ends: 30 [2024-11-03 12:43:11,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 12:43:11,557 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 12:43:11,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 12:43:11,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-03 12:43:11,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-03 12:43:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-03 12:43:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2024-11-03 12:43:11,583 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 55 [2024-11-03 12:43:11,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:43:11,583 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2024-11-03 12:43:11,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 1 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-03 12:43:11,584 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-03 12:43:11,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-03 12:43:11,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:43:11,585 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:43:11,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-03 12:43:11,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:11,787 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:43:11,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:43:11,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1077986871, now seen corresponding path program 1 times [2024-11-03 12:43:11,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:43:11,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146293717] [2024-11-03 12:43:11,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:43:11,788 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:43:11,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:11,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:43:11,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 12:43:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:43:11,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-03 12:43:11,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:43:13,883 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-03 12:43:13,883 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:43:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-03 12:43:17,402 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:43:17,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146293717] [2024-11-03 12:43:17,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [146293717] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:43:17,402 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:43:17,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2024-11-03 12:43:17,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97843505] [2024-11-03 12:43:17,402 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:43:17,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-03 12:43:17,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:43:17,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-03 12:43:17,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-03 12:43:17,405 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 15 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-03 12:43:18,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:43:18,908 INFO L93 Difference]: Finished difference Result 44 states and 52 transitions. [2024-11-03 12:43:18,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-03 12:43:18,909 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 15 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) Word has length 55 [2024-11-03 12:43:18,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:43:18,910 INFO L225 Difference]: With dead ends: 44 [2024-11-03 12:43:18,910 INFO L226 Difference]: Without dead ends: 42 [2024-11-03 12:43:18,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=113, Invalid=349, Unknown=0, NotChecked=0, Total=462 [2024-11-03 12:43:18,911 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 82 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-03 12:43:18,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 153 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-03 12:43:18,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-03 12:43:18,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 37. [2024-11-03 12:43:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-03 12:43:18,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2024-11-03 12:43:18,918 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 55 [2024-11-03 12:43:18,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:43:18,918 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2024-11-03 12:43:18,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 15 states have internal predecessors, (41), 2 states have call successors, (16), 2 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-03 12:43:18,918 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2024-11-03 12:43:18,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-03 12:43:18,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:43:18,919 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:43:18,924 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-03 12:43:19,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:19,122 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:43:19,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:43:19,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1177705700, now seen corresponding path program 1 times [2024-11-03 12:43:19,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:43:19,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910012746] [2024-11-03 12:43:19,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:43:19,123 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:43:19,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:19,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:43:19,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 12:43:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:43:19,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-03 12:43:19,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:43:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-03 12:43:19,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:43:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-03 12:43:24,186 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:43:24,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910012746] [2024-11-03 12:43:24,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1910012746] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-03 12:43:24,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-03 12:43:24,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-03 12:43:24,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570583835] [2024-11-03 12:43:24,187 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-03 12:43:24,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-03 12:43:24,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:43:24,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-03 12:43:24,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2024-11-03 12:43:24,188 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 4 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-03 12:43:25,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:43:25,002 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2024-11-03 12:43:25,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-03 12:43:25,003 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 4 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 56 [2024-11-03 12:43:25,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:43:25,004 INFO L225 Difference]: With dead ends: 49 [2024-11-03 12:43:25,004 INFO L226 Difference]: Without dead ends: 47 [2024-11-03 12:43:25,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552 [2024-11-03 12:43:25,005 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 26 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-03 12:43:25,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 192 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-03 12:43:25,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-03 12:43:25,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2024-11-03 12:43:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.103448275862069) internal successors, (32), 29 states have internal predecessors, (32), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-03 12:43:25,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2024-11-03 12:43:25,011 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 56 [2024-11-03 12:43:25,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:43:25,011 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2024-11-03 12:43:25,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 4 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-11-03 12:43:25,012 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2024-11-03 12:43:25,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-03 12:43:25,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:43:25,013 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:43:25,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-03 12:43:25,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:25,213 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:43:25,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:43:25,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1175858658, now seen corresponding path program 1 times [2024-11-03 12:43:25,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:43:25,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524478648] [2024-11-03 12:43:25,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:43:25,214 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:43:25,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:25,215 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-03 12:43:25,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-03 12:43:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:43:25,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-03 12:43:25,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:43:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-03 12:43:26,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:43:27,659 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-03 12:43:27,659 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:43:27,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524478648] [2024-11-03 12:43:27,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [524478648] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:43:27,659 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:43:27,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13, 10] imperfect sequences [] total 22 [2024-11-03 12:43:27,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389479242] [2024-11-03 12:43:27,660 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:43:27,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-03 12:43:27,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:43:27,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-03 12:43:27,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=371, Unknown=2, NotChecked=0, Total=462 [2024-11-03 12:43:27,661 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 22 states, 22 states have (on average 2.090909090909091) internal successors, (46), 20 states have internal predecessors, (46), 3 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-03 12:43:29,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:43:29,220 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2024-11-03 12:43:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-03 12:43:29,221 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.090909090909091) internal successors, (46), 20 states have internal predecessors, (46), 3 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) Word has length 56 [2024-11-03 12:43:29,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:43:29,221 INFO L225 Difference]: With dead ends: 46 [2024-11-03 12:43:29,221 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 12:43:29,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=229, Invalid=825, Unknown=2, NotChecked=0, Total=1056 [2024-11-03 12:43:29,223 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 69 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-03 12:43:29,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 191 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-03 12:43:29,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 12:43:29,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 12:43:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 12:43:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 12:43:29,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2024-11-03 12:43:29,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:43:29,224 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 12:43:29,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.090909090909091) internal successors, (46), 20 states have internal predecessors, (46), 3 states have call successors, (16), 3 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-03 12:43:29,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 12:43:29,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 12:43:29,226 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 12:43:29,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-03 12:43:29,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:43:29,431 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-03 12:43:29,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 12:43:30,248 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 12:43:30,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,257 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:43:30,262 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,262 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,262 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,262 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,262 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,262 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:43:30,262 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,262 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,263 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,264 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 12:43:30,264 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 12:43:30,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 12:43:30 BoogieIcfgContainer [2024-11-03 12:43:30,272 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 12:43:30,273 INFO L158 Benchmark]: Toolchain (without parser) took 19482.12ms. Allocated memory was 205.5MB in the beginning and 546.3MB in the end (delta: 340.8MB). Free memory was 160.0MB in the beginning and 370.0MB in the end (delta: -209.9MB). Peak memory consumption was 131.4MB. Max. memory is 8.0GB. [2024-11-03 12:43:30,275 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 205.5MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 12:43:30,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.63ms. Allocated memory is still 205.5MB. Free memory was 160.0MB in the beginning and 145.9MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 12:43:30,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.86ms. Allocated memory is still 205.5MB. Free memory was 145.9MB in the beginning and 144.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 12:43:30,276 INFO L158 Benchmark]: Boogie Preprocessor took 27.31ms. Allocated memory is still 205.5MB. Free memory was 144.3MB in the beginning and 142.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 12:43:30,276 INFO L158 Benchmark]: RCFGBuilder took 223.44ms. Allocated memory is still 205.5MB. Free memory was 141.7MB in the beginning and 129.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 12:43:30,276 INFO L158 Benchmark]: TraceAbstraction took 18994.85ms. Allocated memory was 205.5MB in the beginning and 546.3MB in the end (delta: 340.8MB). Free memory was 129.1MB in the beginning and 370.0MB in the end (delta: -240.8MB). Peak memory consumption was 101.0MB. Max. memory is 8.0GB. [2024-11-03 12:43:30,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 205.5MB. Free memory is still 152.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 203.63ms. Allocated memory is still 205.5MB. Free memory was 160.0MB in the beginning and 145.9MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.86ms. Allocated memory is still 205.5MB. Free memory was 145.9MB in the beginning and 144.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.31ms. Allocated memory is still 205.5MB. Free memory was 144.3MB in the beginning and 142.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 223.44ms. Allocated memory is still 205.5MB. Free memory was 141.7MB in the beginning and 129.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 18994.85ms. Allocated memory was 205.5MB in the beginning and 546.3MB in the end (delta: 340.8MB). Free memory was 129.1MB in the beginning and 370.0MB in the end (delta: -240.8MB). Peak memory consumption was 101.0MB. 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 - 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.1s, OverallIterations: 4, TraceHistogramMax: 8, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 196 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 177 mSDsluCounter, 575 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 460 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 809 IncrementalHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 115 mSDtfsCounter, 809 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 458 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=3, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 13.1s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 436 ConstructedInterpolants, 11 QuantifiedInterpolants, 4920 SizeOfPredicates, 36 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 890/896 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: null - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && (((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 12:43:30,365 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...