/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-55.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 14:37:36,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 14:37:36,937 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 14:37:36,941 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 14:37:36,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 14:37:36,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 14:37:36,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 14:37:36,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 14:37:36,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 14:37:36,968 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 14:37:36,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 14:37:36,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 14:37:36,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 14:37:36,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 14:37:36,970 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 14:37:36,971 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 14:37:36,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 14:37:36,971 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 14:37:36,971 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 14:37:36,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 14:37:36,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 14:37:36,972 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 14:37:36,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 14:37:36,972 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 14:37:36,973 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 14:37:36,973 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 14:37:36,973 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 14:37:36,973 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 14:37:36,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 14:37:36,973 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 14:37:36,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 14:37:36,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 14:37:36,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 14:37:36,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 14:37:36,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 14:37:36,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 14:37:36,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 14:37:36,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 14:37:36,975 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 14:37:36,975 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 14:37:36,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 14:37:36,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 14:37:36,975 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 14:37:36,976 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 14:37:36,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 14:37:36,976 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 14:37:36,976 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 14:37:37,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 14:37:37,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 14:37:37,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 14:37:37,214 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 14:37:37,214 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 14:37:37,215 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-55.i [2023-12-16 14:37:38,232 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 14:37:38,399 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 14:37:38,399 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount10_file-55.i [2023-12-16 14:37:38,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e52e730/a5c68175beae455581b6aa99e0960248/FLAG721e373ee [2023-12-16 14:37:38,414 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48e52e730/a5c68175beae455581b6aa99e0960248 [2023-12-16 14:37:38,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 14:37:38,417 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 14:37:38,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 14:37:38,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 14:37:38,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 14:37:38,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b0c23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38, skipping insertion in model container [2023-12-16 14:37:38,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 14:37:38,527 WARN L239 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-55.i[915,928] [2023-12-16 14:37:38,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 14:37:38,552 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 14:37:38,560 WARN L239 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-55.i[915,928] [2023-12-16 14:37:38,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 14:37:38,580 INFO L206 MainTranslator]: Completed translation [2023-12-16 14:37:38,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38 WrapperNode [2023-12-16 14:37:38,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 14:37:38,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 14:37:38,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 14:37:38,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 14:37:38,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,606 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2023-12-16 14:37:38,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 14:37:38,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 14:37:38,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 14:37:38,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 14:37:38,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,617 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,624 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]. [2023-12-16 14:37:38,625 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,625 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,633 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,635 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,636 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 14:37:38,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 14:37:38,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 14:37:38,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 14:37:38,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (1/1) ... [2023-12-16 14:37:38,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 14:37:38,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 14:37:38,686 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) [2023-12-16 14:37:38,700 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 [2023-12-16 14:37:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 14:37:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 14:37:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 14:37:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 14:37:38,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 14:37:38,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 14:37:38,757 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 14:37:38,758 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 14:37:38,930 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 14:37:38,955 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 14:37:38,955 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 14:37:38,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:37:38 BoogieIcfgContainer [2023-12-16 14:37:38,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 14:37:38,957 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 14:37:38,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 14:37:38,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 14:37:38,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 02:37:38" (1/3) ... [2023-12-16 14:37:38,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc90719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:37:38, skipping insertion in model container [2023-12-16 14:37:38,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 02:37:38" (2/3) ... [2023-12-16 14:37:38,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc90719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 02:37:38, skipping insertion in model container [2023-12-16 14:37:38,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 02:37:38" (3/3) ... [2023-12-16 14:37:38,961 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-55.i [2023-12-16 14:37:38,973 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 14:37:38,973 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 14:37:39,002 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 14:37:39,006 INFO L357 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, mHoare=true, 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;@4f2f7c84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 14:37:39,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 14:37:39,009 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.4) internal successors, (28), 21 states have internal predecessors, (28), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 14:37:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-16 14:37:39,017 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:37:39,017 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1] [2023-12-16 14:37:39,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:37:39,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:37:39,021 INFO L85 PathProgramCache]: Analyzing trace with hash -862208862, now seen corresponding path program 1 times [2023-12-16 14:37:39,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:37:39,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952964836] [2023-12-16 14:37:39,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:37:39,030 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 [2023-12-16 14:37:39,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:37:39,046 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) [2023-12-16 14:37:39,072 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 [2023-12-16 14:37:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:37:39,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-16 14:37:39,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:37:41,650 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 14:37:41,651 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:37:41,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:37:41,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952964836] [2023-12-16 14:37:41,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952964836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:37:41,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 14:37:41,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 14:37:41,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021448158] [2023-12-16 14:37:41,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:37:41,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 14:37:41,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:37:41,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 14:37:41,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 14:37:41,681 INFO L87 Difference]: Start difference. First operand has 37 states, 20 states have (on average 1.4) internal successors, (28), 21 states have internal predecessors, (28), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 14:37:41,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:37:41,817 INFO L93 Difference]: Finished difference Result 75 states and 131 transitions. [2023-12-16 14:37:41,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 14:37:41,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 83 [2023-12-16 14:37:41,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:37:41,827 INFO L225 Difference]: With dead ends: 75 [2023-12-16 14:37:41,827 INFO L226 Difference]: Without dead ends: 39 [2023-12-16 14:37:41,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-16 14:37:41,833 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 10 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 14:37:41,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 144 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 14:37:41,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-12-16 14:37:41,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2023-12-16 14:37:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 14:37:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 53 transitions. [2023-12-16 14:37:41,862 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 53 transitions. Word has length 83 [2023-12-16 14:37:41,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:37:41,864 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 53 transitions. [2023-12-16 14:37:41,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 14:37:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-12-16 14:37:41,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-16 14:37:41,866 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:37:41,866 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1] [2023-12-16 14:37:41,872 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 [2023-12-16 14:37:42,069 WARN L477 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 [2023-12-16 14:37:42,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:37:42,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:37:42,070 INFO L85 PathProgramCache]: Analyzing trace with hash -958646921, now seen corresponding path program 1 times [2023-12-16 14:37:42,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:37:42,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437844095] [2023-12-16 14:37:42,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:37:42,071 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 [2023-12-16 14:37:42,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:37:42,072 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) [2023-12-16 14:37:42,074 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 [2023-12-16 14:37:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:37:42,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-16 14:37:42,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:37:42,999 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 119 proven. 63 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-16 14:37:43,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 14:37:44,156 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:37:44,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437844095] [2023-12-16 14:37:44,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437844095] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 14:37:44,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [868163849] [2023-12-16 14:37:44,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:37:44,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 14:37:44,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 14:37:44,158 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 14:37:44,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-16 14:37:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:37:44,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-16 14:37:44,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:37:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 119 proven. 63 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-16 14:37:44,710 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 14:37:46,041 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 14:37:46,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [868163849] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 14:37:46,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-16 14:37:46,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 12] total 19 [2023-12-16 14:37:46,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409573090] [2023-12-16 14:37:46,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:37:46,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 14:37:46,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:37:46,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 14:37:46,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2023-12-16 14:37:46,044 INFO L87 Difference]: Start difference. First operand 37 states and 53 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 14:37:47,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:37:47,334 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2023-12-16 14:37:47,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 14:37:47,343 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 84 [2023-12-16 14:37:47,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:37:47,344 INFO L225 Difference]: With dead ends: 44 [2023-12-16 14:37:47,344 INFO L226 Difference]: Without dead ends: 42 [2023-12-16 14:37:47,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2023-12-16 14:37:47,346 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 13 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 14:37:47,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 167 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 14:37:47,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-16 14:37:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 37. [2023-12-16 14:37:47,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 14:37:47,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 53 transitions. [2023-12-16 14:37:47,350 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 53 transitions. Word has length 84 [2023-12-16 14:37:47,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:37:47,351 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 53 transitions. [2023-12-16 14:37:47,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 14:37:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-12-16 14:37:47,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-16 14:37:47,352 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:37:47,352 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1] [2023-12-16 14:37:47,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-16 14:37:47,561 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 [2023-12-16 14:37:47,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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 [2023-12-16 14:37:47,759 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:37:47,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:37:47,760 INFO L85 PathProgramCache]: Analyzing trace with hash 337356381, now seen corresponding path program 1 times [2023-12-16 14:37:47,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:37:47,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1502035839] [2023-12-16 14:37:47,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:37:47,760 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 [2023-12-16 14:37:47,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:37:47,761 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) [2023-12-16 14:37:47,785 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 [2023-12-16 14:37:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:37:47,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 14:37:47,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:37:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-16 14:37:47,819 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 14:37:47,819 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:37:47,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1502035839] [2023-12-16 14:37:47,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1502035839] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 14:37:47,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 14:37:47,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 14:37:47,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755690843] [2023-12-16 14:37:47,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 14:37:47,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 14:37:47,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:37:47,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 14:37:47,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 14:37:47,821 INFO L87 Difference]: Start difference. First operand 37 states and 53 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 14:37:47,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:37:47,845 INFO L93 Difference]: Finished difference Result 73 states and 105 transitions. [2023-12-16 14:37:47,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 14:37:47,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 85 [2023-12-16 14:37:47,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:37:47,849 INFO L225 Difference]: With dead ends: 73 [2023-12-16 14:37:47,849 INFO L226 Difference]: Without dead ends: 37 [2023-12-16 14:37:47,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 14:37:47,850 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 5 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 14:37:47,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 125 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 14:37:47,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-12-16 14:37:47,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-12-16 14:37:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 states have internal predecessors, (24), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-16 14:37:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2023-12-16 14:37:47,859 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 85 [2023-12-16 14:37:47,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:37:47,860 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2023-12-16 14:37:47,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-16 14:37:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2023-12-16 14:37:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-16 14:37:47,861 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 14:37:47,861 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1] [2023-12-16 14:37:47,866 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 (5)] Ended with exit code 0 [2023-12-16 14:37:48,064 WARN L477 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 [2023-12-16 14:37:48,064 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 14:37:48,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 14:37:48,065 INFO L85 PathProgramCache]: Analyzing trace with hash 337415963, now seen corresponding path program 1 times [2023-12-16 14:37:48,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 14:37:48,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [14378212] [2023-12-16 14:37:48,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:37:48,065 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 [2023-12-16 14:37:48,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 14:37:48,067 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2023-12-16 14:37:48,077 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 (6)] Waiting until timeout for monitored process [2023-12-16 14:37:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:37:48,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-16 14:37:48,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:37:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 119 proven. 63 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-16 14:37:48,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 14:37:49,916 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 14:37:49,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [14378212] [2023-12-16 14:37:49,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [14378212] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 14:37:49,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1062489809] [2023-12-16 14:37:49,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 14:37:49,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 14:37:49,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 14:37:49,918 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 14:37:49,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-16 14:37:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 14:37:50,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 14:37:50,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 14:37:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 119 proven. 63 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-12-16 14:37:50,661 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 14:37:51,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1062489809] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 14:37:51,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 14:37:51,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2023-12-16 14:37:51,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111884462] [2023-12-16 14:37:51,539 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 14:37:51,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-16 14:37:51,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 14:37:51,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-16 14:37:51,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2023-12-16 14:37:51,541 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 3 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 14:37:51,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 14:37:51,843 INFO L93 Difference]: Finished difference Result 55 states and 68 transitions. [2023-12-16 14:37:51,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-12-16 14:37:51,843 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 3 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 85 [2023-12-16 14:37:51,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 14:37:51,844 INFO L225 Difference]: With dead ends: 55 [2023-12-16 14:37:51,844 INFO L226 Difference]: Without dead ends: 0 [2023-12-16 14:37:51,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2023-12-16 14:37:51,845 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 29 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 14:37:51,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 100 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 14:37:51,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-16 14:37:51,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-16 14:37:51,846 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) [2023-12-16 14:37:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-16 14:37:51,846 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2023-12-16 14:37:51,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 14:37:51,846 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-16 14:37:51,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 3 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-16 14:37:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-16 14:37:51,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-16 14:37:51,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 14:37:51,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-16 14:37:52,055 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 (6)] Forceful destruction successful, exit code 0 [2023-12-16 14:37:52,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,6 /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 [2023-12-16 14:37:52,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-16 14:37:52,306 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2023-12-16 14:37:52,306 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,307 INFO L895 garLoopResultBuilder]: At program point L60-1(line 60) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,307 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-16 14:37:52,307 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-16 14:37:52,307 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-16 14:37:52,307 INFO L899 garLoopResultBuilder]: For program point L73(lines 52 74) no Hoare annotation was computed. [2023-12-16 14:37:52,307 INFO L895 garLoopResultBuilder]: At program point L69(line 69) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,307 INFO L895 garLoopResultBuilder]: At program point L69-1(line 69) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,307 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-12-16 14:37:52,307 INFO L895 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32)) [2023-12-16 14:37:52,307 INFO L895 garLoopResultBuilder]: At program point L57-1(line 57) the Hoare annotation is: (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32)) [2023-12-16 14:37:52,307 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-16 14:37:52,307 INFO L899 garLoopResultBuilder]: For program point L41(lines 41 49) no Hoare annotation was computed. [2023-12-16 14:37:52,307 INFO L899 garLoopResultBuilder]: For program point L41-1(lines 33 51) no Hoare annotation was computed. [2023-12-16 14:37:52,307 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-12-16 14:37:52,307 INFO L895 garLoopResultBuilder]: At program point L66(line 66) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,308 INFO L895 garLoopResultBuilder]: At program point L66-1(line 66) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,308 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-16 14:37:52,308 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-12-16 14:37:52,308 INFO L902 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: true [2023-12-16 14:37:52,308 INFO L902 garLoopResultBuilder]: At program point L54-1(line 54) the Hoare annotation is: true [2023-12-16 14:37:52,308 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2023-12-16 14:37:52,308 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-16 14:37:52,308 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 50) no Hoare annotation was computed. [2023-12-16 14:37:52,308 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2023-12-16 14:37:52,308 INFO L895 garLoopResultBuilder]: At program point L63(line 63) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,308 INFO L895 garLoopResultBuilder]: At program point L63-1(line 63) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,308 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-12-16 14:37:52,308 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 90) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,308 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 84 90) no Hoare annotation was computed. [2023-12-16 14:37:52,308 INFO L895 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,309 INFO L895 garLoopResultBuilder]: At program point L72-1(line 72) the Hoare annotation is: (and (bvsle ((_ zero_extend 24) ~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) ~var_1_2~0) (_ bv0 32))) [2023-12-16 14:37:52,309 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-16 14:37:52,309 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-16 14:37:52,309 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-16 14:37:52,309 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-16 14:37:52,311 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 14:37:52,312 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 14:37:52,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 02:37:52 BoogieIcfgContainer [2023-12-16 14:37:52,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 14:37:52,319 INFO L158 Benchmark]: Toolchain (without parser) took 13902.10ms. Allocated memory was 224.4MB in the beginning and 778.0MB in the end (delta: 553.6MB). Free memory was 161.4MB in the beginning and 711.1MB in the end (delta: -549.6MB). Peak memory consumption was 5.0MB. Max. memory is 8.0GB. [2023-12-16 14:37:52,319 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 224.4MB. Free memory was 175.2MB in the beginning and 175.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 14:37:52,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.72ms. Allocated memory is still 224.4MB. Free memory was 161.2MB in the beginning and 148.9MB in the end (delta: 12.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-16 14:37:52,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.82ms. Allocated memory is still 224.4MB. Free memory was 148.8MB in the beginning and 146.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 14:37:52,320 INFO L158 Benchmark]: Boogie Preprocessor took 31.43ms. Allocated memory is still 224.4MB. Free memory was 146.9MB in the beginning and 144.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-16 14:37:52,320 INFO L158 Benchmark]: RCFGBuilder took 316.29ms. Allocated memory was 224.4MB in the beginning and 272.6MB in the end (delta: 48.2MB). Free memory was 144.7MB in the beginning and 225.6MB in the end (delta: -80.9MB). Peak memory consumption was 6.6MB. Max. memory is 8.0GB. [2023-12-16 14:37:52,320 INFO L158 Benchmark]: TraceAbstraction took 13361.43ms. Allocated memory was 272.6MB in the beginning and 778.0MB in the end (delta: 505.4MB). Free memory was 225.1MB in the beginning and 711.1MB in the end (delta: -486.0MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. [2023-12-16 14:37:52,321 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 224.4MB. Free memory was 175.2MB in the beginning and 175.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 161.72ms. Allocated memory is still 224.4MB. Free memory was 161.2MB in the beginning and 148.9MB in the end (delta: 12.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.82ms. Allocated memory is still 224.4MB. Free memory was 148.8MB in the beginning and 146.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.43ms. Allocated memory is still 224.4MB. Free memory was 146.9MB in the beginning and 144.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 316.29ms. Allocated memory was 224.4MB in the beginning and 272.6MB in the end (delta: 48.2MB). Free memory was 144.7MB in the beginning and 225.6MB in the end (delta: -80.9MB). Peak memory consumption was 6.6MB. Max. memory is 8.0GB. * TraceAbstraction took 13361.43ms. Allocated memory was 272.6MB in the beginning and 778.0MB in the end (delta: 505.4MB). Free memory was 225.1MB in the beginning and 711.1MB in the end (delta: -486.0MB). Peak memory consumption was 19.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.3s, OverallIterations: 4, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 536 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 378 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 408 IncrementalHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 158 mSDtfsCounter, 408 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 621 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, 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, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 57 PreInvPairs, 73 NumberOfFragments, 110 HoareAnnotationTreeSize, 57 FormulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FormulaSimplificationsInter, 87 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.6s InterpolantComputationTime, 506 NumberOfCodeBlocks, 506 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 583 ConstructedInterpolants, 3 QuantifiedInterpolants, 3555 SizeOfPredicates, 85 NumberOfNonLiveVariables, 848 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 2296/2548 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: 84]: Loop Invariant Derived loop invariant: ((var_1_3 <= 0) && (var_1_2 <= 0)) RESULT: Ultimate proved your program to be correct! [2023-12-16 14:37:52,353 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...