/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-80.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 12:44:36,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 12:44:36,903 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 12:44:36,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 12:44:36,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 12:44:36,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 12:44:36,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 12:44:36,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 12:44:36,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 12:44:36,934 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 12:44:36,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 12:44:36,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 12:44:36,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 12:44:36,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 12:44:36,936 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 12:44:36,936 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 12:44:36,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 12:44:36,936 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 12:44:36,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 12:44:36,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 12:44:36,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 12:44:36,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 12:44:36,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 12:44:36,939 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 12:44:36,939 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 12:44:36,939 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 12:44:36,939 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 12:44:36,939 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 12:44:36,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 12:44:36,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 12:44:36,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 12:44:36,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 12:44:36,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 12:44:36,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 12:44:36,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:44:36,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 12:44:36,940 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 12:44:36,940 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 12:44:36,941 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 12:44:36,941 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 12:44:36,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 12:44:36,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 12:44:36,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 12:44:36,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 12:44:36,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-03 12:44:37,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 12:44:37,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 12:44:37,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 12:44:37,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 12:44:37,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 12:44:37,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-80.i [2024-11-03 12:44:38,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 12:44:38,446 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 12:44:38,446 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-80.i [2024-11-03 12:44:38,453 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3b94c58/d238c98cf9f24ac9b8ba681666fb06be/FLAG62015f951 [2024-11-03 12:44:38,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3b94c58/d238c98cf9f24ac9b8ba681666fb06be [2024-11-03 12:44:38,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 12:44:38,472 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 12:44:38,473 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 12:44:38,473 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 12:44:38,478 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 12:44:38,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26122c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38, skipping insertion in model container [2024-11-03 12:44:38,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,496 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 12:44:38,619 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-80.i[915,928] [2024-11-03 12:44:38,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:44:38,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 12:44:38,673 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-80.i[915,928] [2024-11-03 12:44:38,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 12:44:38,701 INFO L204 MainTranslator]: Completed translation [2024-11-03 12:44:38,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38 WrapperNode [2024-11-03 12:44:38,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 12:44:38,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 12:44:38,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 12:44:38,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 12:44:38,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,725 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2024-11-03 12:44:38,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 12:44:38,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 12:44:38,727 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 12:44:38,727 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 12:44:38,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,736 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,743 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 12:44:38,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,744 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 12:44:38,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 12:44:38,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 12:44:38,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 12:44:38,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (1/1) ... [2024-11-03 12:44:38,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 12:44:38,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 12:44:38,786 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 12:44:38,787 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 12:44:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 12:44:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 12:44:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 12:44:38,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 12:44:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 12:44:38,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 12:44:38,857 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 12:44:38,858 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 12:44:39,041 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-03 12:44:39,041 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 12:44:39,052 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 12:44:39,053 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-03 12:44:39,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:44:39 BoogieIcfgContainer [2024-11-03 12:44:39,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 12:44:39,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 12:44:39,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 12:44:39,060 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 12:44:39,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 12:44:38" (1/3) ... [2024-11-03 12:44:39,061 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278ab17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:44:39, skipping insertion in model container [2024-11-03 12:44:39,061 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 12:44:38" (2/3) ... [2024-11-03 12:44:39,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@278ab17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 12:44:39, skipping insertion in model container [2024-11-03 12:44:39,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 12:44:39" (3/3) ... [2024-11-03 12:44:39,063 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-80.i [2024-11-03 12:44:39,074 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 12:44:39,074 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-03 12:44:39,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 12:44:39,123 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;@1c061d1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 12:44:39,123 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-03 12:44:39,129 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 12:44:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-03 12:44:39,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:44:39,136 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] [2024-11-03 12:44:39,136 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:44:39,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:44:39,140 INFO L85 PathProgramCache]: Analyzing trace with hash 211231747, now seen corresponding path program 1 times [2024-11-03 12:44:39,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:44:39,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1272022684] [2024-11-03 12:44:39,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:44:39,149 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:44:39,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:44:39,153 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 12:44:39,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-03 12:44:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:44:39,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-03 12:44:39,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:44:39,267 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-03 12:44:39,267 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:44:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-03 12:44:39,326 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:44:39,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1272022684] [2024-11-03 12:44:39,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1272022684] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:44:39,327 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:44:39,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-03 12:44:39,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692777054] [2024-11-03 12:44:39,331 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:44:39,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-03 12:44:39,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:44:39,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-03 12:44:39,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-03 12:44:39,348 INFO L87 Difference]: Start difference. First operand has 37 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 25 states have internal predecessors, (31), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 12:44:39,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:44:39,362 INFO L93 Difference]: Finished difference Result 67 states and 106 transitions. [2024-11-03 12:44:39,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-03 12:44:39,363 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 66 [2024-11-03 12:44:39,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:44:39,367 INFO L225 Difference]: With dead ends: 67 [2024-11-03 12:44:39,367 INFO L226 Difference]: Without dead ends: 33 [2024-11-03 12:44:39,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 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 12:44:39,371 INFO L432 NwaCegarLoop]: 44 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, 44 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 12:44:39,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 12:44:39,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-03 12:44:39,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-03 12:44:39,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 12:44:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-11-03 12:44:39,399 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 66 [2024-11-03 12:44:39,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:44:39,399 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-11-03 12:44:39,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 12:44:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-03 12:44:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-03 12:44:39,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:44:39,404 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] [2024-11-03 12:44:39,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Ended with exit code 0 [2024-11-03 12:44:39,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:44:39,605 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:44:39,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:44:39,605 INFO L85 PathProgramCache]: Analyzing trace with hash 409964679, now seen corresponding path program 1 times [2024-11-03 12:44:39,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:44:39,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340764733] [2024-11-03 12:44:39,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:44:39,606 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:44:39,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:44:39,607 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 12:44:39,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-03 12:44:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:44:39,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-03 12:44:39,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:44:39,747 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-03 12:44:39,748 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:44:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-03 12:44:39,879 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:44:39,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340764733] [2024-11-03 12:44:39,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1340764733] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:44:39,880 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:44:39,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2024-11-03 12:44:39,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530406996] [2024-11-03 12:44:39,880 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:44:39,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-03 12:44:39,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:44:39,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-03 12:44:39,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-03 12:44:39,882 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 12:44:40,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:44:40,137 INFO L93 Difference]: Finished difference Result 97 states and 126 transitions. [2024-11-03 12:44:40,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-03 12:44:40,138 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 66 [2024-11-03 12:44:40,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:44:40,139 INFO L225 Difference]: With dead ends: 97 [2024-11-03 12:44:40,139 INFO L226 Difference]: Without dead ends: 67 [2024-11-03 12:44:40,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2024-11-03 12:44:40,141 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 56 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-03 12:44:40,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 121 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-03 12:44:40,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-03 12:44:40,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 37. [2024-11-03 12:44:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-03 12:44:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2024-11-03 12:44:40,151 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 66 [2024-11-03 12:44:40,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:44:40,152 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2024-11-03 12:44:40,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 1 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-03 12:44:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2024-11-03 12:44:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-03 12:44:40,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:44:40,154 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:44:40,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Forceful destruction successful, exit code 0 [2024-11-03 12:44:40,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:44:40,356 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:44:40,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:44:40,357 INFO L85 PathProgramCache]: Analyzing trace with hash -411557169, now seen corresponding path program 1 times [2024-11-03 12:44:40,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:44:40,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81450191] [2024-11-03 12:44:40,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:44:40,357 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:44:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:44:40,359 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 12:44:40,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-03 12:44:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:44:40,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-03 12:44:40,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:44:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 134 proven. 36 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-03 12:44:41,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:44:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 12:44:41,859 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:44:41,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81450191] [2024-11-03 12:44:41,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [81450191] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-03 12:44:41,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-03 12:44:41,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [25] total 30 [2024-11-03 12:44:41,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724698795] [2024-11-03 12:44:41,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-03 12:44:41,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-03 12:44:41,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:44:41,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-03 12:44:41,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=705, Unknown=0, NotChecked=0, Total=870 [2024-11-03 12:44:41,861 INFO L87 Difference]: Start difference. First operand 37 states and 46 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 12:44:42,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:44:42,083 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2024-11-03 12:44:42,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-03 12:44:42,083 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 67 [2024-11-03 12:44:42,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:44:42,084 INFO L225 Difference]: With dead ends: 72 [2024-11-03 12:44:42,084 INFO L226 Difference]: Without dead ends: 70 [2024-11-03 12:44:42,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=177, Invalid=815, Unknown=0, NotChecked=0, Total=992 [2024-11-03 12:44:42,086 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 81 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-03 12:44:42,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 231 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-03 12:44:42,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-03 12:44:42,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 50. [2024-11-03 12:44:42,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 35 states have internal predecessors, (36), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-03 12:44:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2024-11-03 12:44:42,100 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 67 [2024-11-03 12:44:42,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:44:42,100 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2024-11-03 12:44:42,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-03 12:44:42,101 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2024-11-03 12:44:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-03 12:44:42,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 12:44:42,102 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 12:44:42,105 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Forceful destruction successful, exit code 0 [2024-11-03 12:44:42,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:44:42,303 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 12:44:42,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 12:44:42,304 INFO L85 PathProgramCache]: Analyzing trace with hash -409710127, now seen corresponding path program 1 times [2024-11-03 12:44:42,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 12:44:42,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296889509] [2024-11-03 12:44:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 12:44:42,305 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-03 12:44:42,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:44:42,306 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 12:44:42,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Waiting until timeout for monitored process [2024-11-03 12:44:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 12:44:42,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-03 12:44:42,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 12:44:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 12:44:42,500 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 12:44:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-03 12:44:42,678 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 12:44:42,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296889509] [2024-11-03 12:44:42,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1296889509] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 12:44:42,678 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 12:44:42,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2024-11-03 12:44:42,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429721726] [2024-11-03 12:44:42,679 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 12:44:42,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-03 12:44:42,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 12:44:42,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-03 12:44:42,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-03 12:44:42,682 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-03 12:44:43,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 12:44:43,177 INFO L93 Difference]: Finished difference Result 101 states and 128 transitions. [2024-11-03 12:44:43,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-03 12:44:43,178 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 67 [2024-11-03 12:44:43,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 12:44:43,179 INFO L225 Difference]: With dead ends: 101 [2024-11-03 12:44:43,179 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 12:44:43,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-11-03 12:44:43,180 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 109 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-03 12:44:43,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 465 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-03 12:44:43,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 12:44:43,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 12:44:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 12:44:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 12:44:43,186 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-11-03 12:44:43,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 12:44:43,186 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 12:44:43,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-03 12:44:43,186 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 12:44:43,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 12:44:43,190 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-03 12:44:43,197 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (5)] Ended with exit code 0 [2024-11-03 12:44:43,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-03 12:44:43,394 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-03 12:44:43,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 12:44:43,854 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 12:44:43,866 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.leq~32 [2024-11-03 12:44:43,867 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 12:44:43,867 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-03 12:44:43,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 12:44:43 BoogieIcfgContainer [2024-11-03 12:44:43,874 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 12:44:43,875 INFO L158 Benchmark]: Toolchain (without parser) took 5402.43ms. Allocated memory was 187.7MB in the beginning and 328.2MB in the end (delta: 140.5MB). Free memory was 132.7MB in the beginning and 114.3MB in the end (delta: 18.4MB). Peak memory consumption was 159.9MB. Max. memory is 8.0GB. [2024-11-03 12:44:43,875 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 187.7MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 12:44:43,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.36ms. Allocated memory is still 187.7MB. Free memory was 132.3MB in the beginning and 118.6MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-11-03 12:44:43,875 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.62ms. Allocated memory is still 187.7MB. Free memory was 118.6MB in the beginning and 117.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-03 12:44:43,875 INFO L158 Benchmark]: Boogie Preprocessor took 33.31ms. Allocated memory is still 187.7MB. Free memory was 117.0MB in the beginning and 114.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 12:44:43,876 INFO L158 Benchmark]: RCFGBuilder took 293.26ms. Allocated memory was 187.7MB in the beginning and 328.2MB in the end (delta: 140.5MB). Free memory was 114.5MB in the beginning and 298.0MB in the end (delta: -183.5MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. [2024-11-03 12:44:43,876 INFO L158 Benchmark]: TraceAbstraction took 4819.77ms. Allocated memory is still 328.2MB. Free memory was 297.3MB in the beginning and 114.3MB in the end (delta: 183.0MB). Peak memory consumption was 182.5MB. Max. memory is 8.0GB. [2024-11-03 12:44:43,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 187.7MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 228.36ms. Allocated memory is still 187.7MB. Free memory was 132.3MB in the beginning and 118.6MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.62ms. Allocated memory is still 187.7MB. Free memory was 118.6MB in the beginning and 117.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.31ms. Allocated memory is still 187.7MB. Free memory was 117.0MB in the beginning and 114.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 293.26ms. Allocated memory was 187.7MB in the beginning and 328.2MB in the end (delta: 140.5MB). Free memory was 114.5MB in the beginning and 298.0MB in the end (delta: -183.5MB). Peak memory consumption was 18.3MB. Max. memory is 8.0GB. * TraceAbstraction took 4819.77ms. Allocated memory is still 328.2MB. Free memory was 297.3MB in the beginning and 114.3MB in the end (delta: 183.0MB). Peak memory consumption was 182.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.leq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 4, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 256 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 246 mSDsluCounter, 861 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 612 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 391 IncrementalHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 249 mSDtfsCounter, 391 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 541 GetRequests, 479 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=3, InterpolantAutomatonStates: 37, 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, 50 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 524 ConstructedInterpolants, 1 QuantifiedInterpolants, 1664 SizeOfPredicates, 25 NumberOfNonLiveVariables, 439 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 1404/1440 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: ((((var_1_10 <= 0) && (var_1_9 == var_1_10)) || ((var_1_10 <= 0) && (var_1_9 == var_1_10))) || ((var_1_10 <= 0) && (var_1_1 == 4))) - 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_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)))) RESULT: Ultimate proved your program to be correct! [2024-11-03 12:44:43,902 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...