/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cav14_example.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 06:23:58,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 06:23:58,501 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 06:23:58,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 06:23:58,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 06:23:58,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 06:23:58,537 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 06:23:58,538 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 06:23:58,540 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 06:23:58,542 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 06:23:58,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 06:23:58,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 06:23:58,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 06:23:58,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 06:23:58,544 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 06:23:58,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 06:23:58,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 06:23:58,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 06:23:58,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 06:23:58,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 06:23:58,548 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 06:23:58,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 06:23:58,551 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 06:23:58,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 06:23:58,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 06:23:58,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 06:23:58,552 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 06:23:58,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 06:23:58,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 06:23:58,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 06:23:58,554 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 06:23:58,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 06:23:58,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 06:23:58,555 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 06:23:58,555 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 06:23:58,555 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 06:23:58,555 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 06:23:58,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 06:23:58,556 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 06:23:58,556 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 06:23:58,556 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 06:23:58,557 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 06:23:58,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 06:23:58,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 06:23:58,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 06:23:58,833 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 06:23:58,833 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 06:23:58,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2024-11-06 06:24:00,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 06:24:00,765 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 06:24:00,765 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2024-11-06 06:24:00,771 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc2ac1f3/4ded2a3863b94a6680e22bfdd37b0c00/FLAGcecdd1b47 [2024-11-06 06:24:00,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bc2ac1f3/4ded2a3863b94a6680e22bfdd37b0c00 [2024-11-06 06:24:00,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 06:24:00,786 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 06:24:00,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 06:24:00,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 06:24:00,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 06:24:00,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:24:00" (1/1) ... [2024-11-06 06:24:00,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b99313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:00, skipping insertion in model container [2024-11-06 06:24:00,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:24:00" (1/1) ... [2024-11-06 06:24:00,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 06:24:00,974 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1253,1266] [2024-11-06 06:24:01,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 06:24:01,045 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 06:24:01,060 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1253,1266] [2024-11-06 06:24:01,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 06:24:01,107 INFO L204 MainTranslator]: Completed translation [2024-11-06 06:24:01,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01 WrapperNode [2024-11-06 06:24:01,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 06:24:01,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 06:24:01,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 06:24:01,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 06:24:01,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,154 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 108 [2024-11-06 06:24:01,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 06:24:01,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 06:24:01,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 06:24:01,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 06:24:01,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,173 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,187 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]. [2024-11-06 06:24:01,188 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,188 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 06:24:01,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 06:24:01,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 06:24:01,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 06:24:01,213 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (1/1) ... [2024-11-06 06:24:01,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 06:24:01,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 06:24:01,251 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) [2024-11-06 06:24:01,259 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 [2024-11-06 06:24:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 06:24:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 06:24:01,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 06:24:01,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 06:24:01,362 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 06:24:01,365 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 06:24:01,618 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-06 06:24:01,618 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 06:24:01,635 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 06:24:01,636 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-06 06:24:01,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:24:01 BoogieIcfgContainer [2024-11-06 06:24:01,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 06:24:01,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 06:24:01,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 06:24:01,645 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 06:24:01,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:24:00" (1/3) ... [2024-11-06 06:24:01,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef454b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:24:01, skipping insertion in model container [2024-11-06 06:24:01,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:24:01" (2/3) ... [2024-11-06 06:24:01,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ef454b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:24:01, skipping insertion in model container [2024-11-06 06:24:01,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:24:01" (3/3) ... [2024-11-06 06:24:01,649 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cav14_example.c [2024-11-06 06:24:01,666 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 06:24:01,666 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 06:24:01,740 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 06:24:01,754 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;@54be7e1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 06:24:01,754 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 06:24:01,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) [2024-11-06 06:24:01,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-06 06:24:01,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 06:24:01,773 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-06 06:24:01,777 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 06:24:01,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 06:24:01,782 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-06 06:24:01,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 06:24:01,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1063189312] [2024-11-06 06:24:01,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 06:24:01,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:24:01,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 06:24:01,802 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 06:24:01,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 06:24:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 06:24:01,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-06 06:24:01,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 06:24:02,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 06:24:02,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 06:24:02,254 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 06:24:02,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1063189312] [2024-11-06 06:24:02,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1063189312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 06:24:02,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 06:24:02,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 06:24:02,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589623925] [2024-11-06 06:24:02,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 06:24:02,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-06 06:24:02,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 06:24:02,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-06 06:24:02,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-06 06:24:02,287 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-06 06:24:02,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 06:24:02,326 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-06 06:24:02,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-06 06:24:02,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2024-11-06 06:24:02,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 06:24:02,335 INFO L225 Difference]: With dead ends: 18 [2024-11-06 06:24:02,335 INFO L226 Difference]: Without dead ends: 10 [2024-11-06 06:24:02,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-06 06:24:02,342 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-06 06:24:02,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 06:24:02,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-06 06:24:02,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-06 06:24:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-11-06 06:24:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-06 06:24:02,367 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-06 06:24:02,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 06:24:02,367 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-06 06:24:02,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-06 06:24:02,367 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-06 06:24:02,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-06 06:24:02,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 06:24:02,368 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-06 06:24:02,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-06 06:24:02,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:24:02,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 06:24:02,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 06:24:02,572 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-06 06:24:02,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 06:24:02,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473276886] [2024-11-06 06:24:02,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 06:24:02,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:24:02,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 06:24:02,579 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 06:24:02,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 06:24:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 06:24:02,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-06 06:24:02,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 06:24:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 06:24:02,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 06:24:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 06:24:04,416 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 06:24:04,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473276886] [2024-11-06 06:24:04,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473276886] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 06:24:04,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 06:24:04,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-06 06:24:04,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856700903] [2024-11-06 06:24:04,417 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 06:24:04,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-06 06:24:04,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 06:24:04,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-06 06:24:04,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-06 06:24:04,420 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2024-11-06 06:24:04,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 06:24:04,658 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2024-11-06 06:24:04,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-06 06:24:04,658 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) Word has length 8 [2024-11-06 06:24:04,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 06:24:04,659 INFO L225 Difference]: With dead ends: 21 [2024-11-06 06:24:04,659 INFO L226 Difference]: Without dead ends: 19 [2024-11-06 06:24:04,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2024-11-06 06:24:04,662 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-06 06:24:04,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-06 06:24:04,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-06 06:24:04,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-06 06:24:04,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 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) [2024-11-06 06:24:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-06 06:24:04,666 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 8 [2024-11-06 06:24:04,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 06:24:04,667 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-06 06:24:04,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2024-11-06 06:24:04,667 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-06 06:24:04,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-06 06:24:04,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 06:24:04,668 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2024-11-06 06:24:04,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-06 06:24:04,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:24:04,869 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 06:24:04,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 06:24:04,870 INFO L85 PathProgramCache]: Analyzing trace with hash -37306491, now seen corresponding path program 2 times [2024-11-06 06:24:04,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 06:24:04,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797490476] [2024-11-06 06:24:04,871 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-06 06:24:04,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:24:04,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 06:24:04,877 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 06:24:04,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-06 06:24:05,001 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-06 06:24:05,001 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 06:24:05,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-06 06:24:05,011 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 06:24:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 06:24:05,335 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 06:24:15,933 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 06:24:15,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 06:24:15,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [797490476] [2024-11-06 06:24:15,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [797490476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 06:24:15,934 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 06:24:15,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-06 06:24:15,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366704963] [2024-11-06 06:24:15,934 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 06:24:15,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-06 06:24:15,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 06:24:15,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-06 06:24:15,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-06 06:24:15,936 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 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) [2024-11-06 06:24:17,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 06:24:17,796 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-06 06:24:17,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-06 06:24:17,797 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 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) Word has length 17 [2024-11-06 06:24:17,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 06:24:17,800 INFO L225 Difference]: With dead ends: 39 [2024-11-06 06:24:17,801 INFO L226 Difference]: Without dead ends: 37 [2024-11-06 06:24:17,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=255, Invalid=501, Unknown=0, NotChecked=0, Total=756 [2024-11-06 06:24:17,802 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 14 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 06:24:17,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 20 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 06:24:17,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-06 06:24:17,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2024-11-06 06:24:17,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 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) [2024-11-06 06:24:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2024-11-06 06:24:17,815 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 17 [2024-11-06 06:24:17,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 06:24:17,816 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2024-11-06 06:24:17,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 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) [2024-11-06 06:24:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2024-11-06 06:24:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-06 06:24:17,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 06:24:17,817 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1] [2024-11-06 06:24:17,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-06 06:24:18,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:24:18,018 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 06:24:18,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 06:24:18,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1864061253, now seen corresponding path program 3 times [2024-11-06 06:24:18,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 06:24:18,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63795082] [2024-11-06 06:24:18,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-06 06:24:18,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:24:18,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 06:24:18,023 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 06:24:18,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-06 06:24:18,337 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-06 06:24:18,338 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-06 06:24:18,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-11-06 06:24:18,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 06:24:19,263 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 149 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-06 06:24:19,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-06 06:25:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 06:25:23,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 06:25:23,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63795082] [2024-11-06 06:25:23,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63795082] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-06 06:25:23,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-06 06:25:23,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 20] total 33 [2024-11-06 06:25:23,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133257395] [2024-11-06 06:25:23,596 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-06 06:25:23,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-06 06:25:23,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 06:25:23,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-06 06:25:23,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=769, Unknown=0, NotChecked=0, Total=1056 [2024-11-06 06:25:23,598 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand has 33 states, 33 states have (on average 1.9090909090909092) internal successors, (63), 33 states have internal predecessors, (63), 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) [2024-11-06 06:25:23,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 06:25:23,940 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2024-11-06 06:25:23,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-06 06:25:23,941 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.9090909090909092) internal successors, (63), 33 states have internal predecessors, (63), 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) Word has length 35 [2024-11-06 06:25:23,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 06:25:23,941 INFO L225 Difference]: With dead ends: 57 [2024-11-06 06:25:23,941 INFO L226 Difference]: Without dead ends: 0 [2024-11-06 06:25:23,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=398, Invalid=1008, Unknown=0, NotChecked=0, Total=1406 [2024-11-06 06:25:23,943 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-06 06:25:23,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-06 06:25:23,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-06 06:25:23,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-06 06:25:23,944 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) [2024-11-06 06:25:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-06 06:25:23,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2024-11-06 06:25:23,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 06:25:23,945 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-06 06:25:23,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.9090909090909092) internal successors, (63), 33 states have internal predecessors, (63), 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) [2024-11-06 06:25:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-06 06:25:23,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-06 06:25:23,948 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-06 06:25:23,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-06 06:25:24,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 06:25:24,156 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-06 06:25:24,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-06 06:25:24,278 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-06 06:25:24,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:25:24 BoogieIcfgContainer [2024-11-06 06:25:24,303 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-06 06:25:24,305 INFO L158 Benchmark]: Toolchain (without parser) took 83517.24ms. Allocated memory was 418.4MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 370.2MB in the beginning and 1.2GB in the end (delta: -810.8MB). Peak memory consumption was 266.6MB. Max. memory is 8.0GB. [2024-11-06 06:25:24,306 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 239.1MB. Free memory is still 185.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-06 06:25:24,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.89ms. Allocated memory is still 418.4MB. Free memory was 370.2MB in the beginning and 355.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-06 06:25:24,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.08ms. Allocated memory is still 418.4MB. Free memory was 355.0MB in the beginning and 353.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-11-06 06:25:24,306 INFO L158 Benchmark]: Boogie Preprocessor took 55.30ms. Allocated memory is still 418.4MB. Free memory was 353.4MB in the beginning and 350.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-06 06:25:24,307 INFO L158 Benchmark]: RCFGBuilder took 426.63ms. Allocated memory is still 418.4MB. Free memory was 350.8MB in the beginning and 334.6MB in the end (delta: 16.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-11-06 06:25:24,307 INFO L158 Benchmark]: TraceAbstraction took 82662.07ms. Allocated memory was 418.4MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 334.0MB in the beginning and 1.2GB in the end (delta: -847.0MB). Peak memory consumption was 229.9MB. Max. memory is 8.0GB. [2024-11-06 06:25:24,308 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 239.1MB. Free memory is still 185.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 328.89ms. Allocated memory is still 418.4MB. Free memory was 370.2MB in the beginning and 355.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.08ms. Allocated memory is still 418.4MB. Free memory was 355.0MB in the beginning and 353.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.30ms. Allocated memory is still 418.4MB. Free memory was 353.4MB in the beginning and 350.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 426.63ms. Allocated memory is still 418.4MB. Free memory was 350.8MB in the beginning and 334.6MB in the end (delta: 16.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 82662.07ms. Allocated memory was 418.4MB in the beginning and 1.5GB in the end (delta: 1.1GB). Free memory was 334.0MB in the beginning and 1.2GB in the end (delta: -847.0MB). Peak memory consumption was 229.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: 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 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 82.4s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 417 IncrementalHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 14 mSDtfsCounter, 417 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=3, InterpolantAutomatonStates: 54, 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, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 78.3s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 118 ConstructedInterpolants, 17 QuantifiedInterpolants, 138240 SizeOfPredicates, 21 NumberOfNonLiveVariables, 396 ConjunctsInSsa, 156 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 6/366 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: 46]: Loop Invariant Derived loop invariant: ((((((((((((((7 == var_19) && (3 == state_7)) && (7 == mask_SORT_3)) && (1 == var_23)) && (1 == var_13)) && (1 == mask_SORT_1)) && (3 == state_5)) || (((((((7 == state_5) && (7 == var_19)) && (7 == mask_SORT_3)) && (1 == var_23)) && (1 == var_13)) && (7 == state_7)) && (1 == mask_SORT_1))) || (((((((7 == var_19) && (7 == mask_SORT_3)) && (6 == state_5)) && (1 == var_23)) && (1 == var_13)) && (1 == mask_SORT_1)) && (6 == state_7))) || (((((((0 == state_7) && (7 == var_19)) && (7 == mask_SORT_3)) && (0 == state_5)) && (1 == var_23)) && (1 == var_13)) && (1 == mask_SORT_1))) || (((((((7 == var_19) && (7 == mask_SORT_3)) && (2 == state_5)) && (1 == var_23)) && (2 == state_7)) && (1 == var_13)) && (1 == mask_SORT_1))) || (((((((7 == var_19) && (7 == mask_SORT_3)) && (1 == var_23)) && (1 == var_13)) && (1 == state_7)) && (1 == mask_SORT_1)) && (1 == state_5))) || (((((((7 == var_19) && (7 == mask_SORT_3)) && (5 == state_7)) && (1 == var_23)) && (1 == var_13)) && (5 == state_5)) && (1 == mask_SORT_1))) || (((((((4 == state_5) && (7 == var_19)) && (7 == mask_SORT_3)) && (1 == var_23)) && (1 == var_13)) && (4 == state_7)) && (1 == mask_SORT_1))) RESULT: Ultimate proved your program to be correct! [2024-11-06 06:25:24,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...