/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 02:40:07,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 02:40:07,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 02:40:07,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 02:40:07,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-01-10 02:40:07,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 02:40:07,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 02:40:07,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 02:40:07,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 02:40:07,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 02:40:07,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 02:40:07,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 02:40:07,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 02:40:07,646 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 02:40:07,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 02:40:07,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 02:40:07,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 02:40:07,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 02:40:07,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 02:40:07,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 02:40:07,648 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 02:40:07,648 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 02:40:07,648 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 02:40:07,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 02:40:07,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 02:40:07,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 02:40:07,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 02:40:07,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 02:40:07,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 02:40:07,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 02:40:07,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 02:40:07,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 02:40:07,650 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 02:40:07,650 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 02:40:07,650 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 02:40:07,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 02:40:07,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 02:40:07,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 02:40:07,650 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 02:40:07,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 02:40:07,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 02:40:07,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 02:40:07,853 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 02:40:07,853 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 02:40:07,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2022-01-10 02:40:07,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ae8fa476/0c2667ed0f174eed8d8ef615cd575b57/FLAGa10a69b9f [2022-01-10 02:40:08,288 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 02:40:08,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2022-01-10 02:40:08,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ae8fa476/0c2667ed0f174eed8d8ef615cd575b57/FLAGa10a69b9f [2022-01-10 02:40:08,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ae8fa476/0c2667ed0f174eed8d8ef615cd575b57 [2022-01-10 02:40:08,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 02:40:08,311 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 02:40:08,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 02:40:08,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 02:40:08,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 02:40:08,316 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@279d9fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08, skipping insertion in model container [2022-01-10 02:40:08,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 02:40:08,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 02:40:08,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2022-01-10 02:40:08,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 02:40:08,607 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 02:40:08,640 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2022-01-10 02:40:08,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 02:40:08,649 INFO L208 MainTranslator]: Completed translation [2022-01-10 02:40:08,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08 WrapperNode [2022-01-10 02:40:08,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 02:40:08,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 02:40:08,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 02:40:08,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 02:40:08,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,696 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 479 [2022-01-10 02:40:08,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 02:40:08,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 02:40:08,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 02:40:08,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 02:40:08,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 02:40:08,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 02:40:08,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 02:40:08,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 02:40:08,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (1/1) ... [2022-01-10 02:40:08,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 02:40:08,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 02:40:08,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-10 02:40:08,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-10 02:40:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 02:40:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 02:40:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 02:40:08,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 02:40:08,848 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 02:40:08,850 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 02:40:08,858 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 02:40:09,247 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-01-10 02:40:09,247 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-01-10 02:40:09,247 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 02:40:09,252 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 02:40:09,252 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 02:40:09,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:40:09 BoogieIcfgContainer [2022-01-10 02:40:09,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 02:40:09,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 02:40:09,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 02:40:09,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 02:40:09,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:40:08" (1/3) ... [2022-01-10 02:40:09,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670286df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:40:09, skipping insertion in model container [2022-01-10 02:40:09,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:40:08" (2/3) ... [2022-01-10 02:40:09,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670286df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:40:09, skipping insertion in model container [2022-01-10 02:40:09,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:40:09" (3/3) ... [2022-01-10 02:40:09,258 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2022-01-10 02:40:09,261 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 02:40:09,261 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 02:40:09,298 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 02:40:09,304 INFO L339 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=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-10 02:40:09,304 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 02:40:09,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 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) [2022-01-10 02:40:09,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 02:40:09,325 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:09,326 INFO L514 BasicCegarLoop]: trace histogram [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, 1] [2022-01-10 02:40:09,326 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:09,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:09,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2022-01-10 02:40:09,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:09,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958190951] [2022-01-10 02:40:09,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:09,339 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:09,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:09,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:09,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-01-10 02:40:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:09,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-10 02:40:09,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 02:40:09,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:09,532 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:09,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1958190951] [2022-01-10 02:40:09,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1958190951] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:09,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:09,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:09,534 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741818105] [2022-01-10 02:40:09,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:09,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:09,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:09,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:09,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:09,555 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 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 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-01-10 02:40:09,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:09,700 INFO L93 Difference]: Finished difference Result 284 states and 484 transitions. [2022-01-10 02:40:09,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:09,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2022-01-10 02:40:09,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:09,710 INFO L225 Difference]: With dead ends: 284 [2022-01-10 02:40:09,711 INFO L226 Difference]: Without dead ends: 128 [2022-01-10 02:40:09,713 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:09,717 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 20 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:09,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 325 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:09,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-01-10 02:40:09,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 125. [2022-01-10 02:40:09,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.4919354838709677) internal successors, (185), 124 states have internal predecessors, (185), 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) [2022-01-10 02:40:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 185 transitions. [2022-01-10 02:40:09,752 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 185 transitions. Word has length 44 [2022-01-10 02:40:09,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:09,753 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 185 transitions. [2022-01-10 02:40:09,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2022-01-10 02:40:09,754 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2022-01-10 02:40:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 02:40:09,757 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:09,757 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 02:40:09,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-01-10 02:40:09,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:09,964 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:09,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:09,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1722912794, now seen corresponding path program 1 times [2022-01-10 02:40:09,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:09,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2144090234] [2022-01-10 02:40:09,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:09,965 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:09,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:09,966 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:09,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-01-10 02:40:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:10,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:10,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:10,163 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 02:40:10,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:10,163 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:10,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2144090234] [2022-01-10 02:40:10,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2144090234] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:10,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:10,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:10,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224837396] [2022-01-10 02:40:10,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:10,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:10,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:10,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:10,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:10,165 INFO L87 Difference]: Start difference. First operand 125 states and 185 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2022-01-10 02:40:10,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:10,293 INFO L93 Difference]: Finished difference Result 256 states and 386 transitions. [2022-01-10 02:40:10,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:10,295 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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 60 [2022-01-10 02:40:10,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:10,296 INFO L225 Difference]: With dead ends: 256 [2022-01-10 02:40:10,296 INFO L226 Difference]: Without dead ends: 150 [2022-01-10 02:40:10,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:10,298 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 14 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:10,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 255 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:10,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-01-10 02:40:10,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2022-01-10 02:40:10,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.4551724137931035) internal successors, (211), 145 states have internal predecessors, (211), 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) [2022-01-10 02:40:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 211 transitions. [2022-01-10 02:40:10,304 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 211 transitions. Word has length 60 [2022-01-10 02:40:10,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:10,305 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 211 transitions. [2022-01-10 02:40:10,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2022-01-10 02:40:10,305 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 211 transitions. [2022-01-10 02:40:10,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 02:40:10,306 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:10,306 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-01-10 02:40:10,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-01-10 02:40:10,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:10,508 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:10,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:10,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1797387181, now seen corresponding path program 1 times [2022-01-10 02:40:10,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:10,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1099491588] [2022-01-10 02:40:10,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:10,509 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:10,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:10,510 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:10,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-01-10 02:40:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:10,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:10,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:10,681 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 02:40:10,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:10,682 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:10,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1099491588] [2022-01-10 02:40:10,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1099491588] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:10,682 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:10,682 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:10,682 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137188867] [2022-01-10 02:40:10,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:10,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:10,683 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:10,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:10,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:10,683 INFO L87 Difference]: Start difference. First operand 146 states and 211 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2022-01-10 02:40:10,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:10,819 INFO L93 Difference]: Finished difference Result 300 states and 441 transitions. [2022-01-10 02:40:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:10,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 81 [2022-01-10 02:40:10,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:10,821 INFO L225 Difference]: With dead ends: 300 [2022-01-10 02:40:10,821 INFO L226 Difference]: Without dead ends: 173 [2022-01-10 02:40:10,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:10,822 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 13 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:10,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 268 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:10,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-01-10 02:40:10,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2022-01-10 02:40:10,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 169 states have (on average 1.4201183431952662) internal successors, (240), 169 states have internal predecessors, (240), 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) [2022-01-10 02:40:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 240 transitions. [2022-01-10 02:40:10,829 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 240 transitions. Word has length 81 [2022-01-10 02:40:10,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:10,829 INFO L470 AbstractCegarLoop]: Abstraction has 170 states and 240 transitions. [2022-01-10 02:40:10,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2022-01-10 02:40:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 240 transitions. [2022-01-10 02:40:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 02:40:10,831 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:10,831 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-01-10 02:40:10,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:11,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:11,032 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:11,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:11,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2045533675, now seen corresponding path program 1 times [2022-01-10 02:40:11,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:11,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094034416] [2022-01-10 02:40:11,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:11,033 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:11,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:11,036 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:11,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-01-10 02:40:11,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:11,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:11,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:11,226 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 02:40:11,227 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:11,227 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:11,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094034416] [2022-01-10 02:40:11,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094034416] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:11,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:11,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:11,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192516568] [2022-01-10 02:40:11,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:11,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:11,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:11,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:11,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:11,229 INFO L87 Difference]: Start difference. First operand 170 states and 240 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2022-01-10 02:40:11,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:11,368 INFO L93 Difference]: Finished difference Result 366 states and 534 transitions. [2022-01-10 02:40:11,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:11,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 81 [2022-01-10 02:40:11,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:11,370 INFO L225 Difference]: With dead ends: 366 [2022-01-10 02:40:11,370 INFO L226 Difference]: Without dead ends: 215 [2022-01-10 02:40:11,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:11,371 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 15 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:11,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 255 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:11,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2022-01-10 02:40:11,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 211. [2022-01-10 02:40:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.361904761904762) internal successors, (286), 210 states have internal predecessors, (286), 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) [2022-01-10 02:40:11,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 286 transitions. [2022-01-10 02:40:11,378 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 286 transitions. Word has length 81 [2022-01-10 02:40:11,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:11,379 INFO L470 AbstractCegarLoop]: Abstraction has 211 states and 286 transitions. [2022-01-10 02:40:11,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2022-01-10 02:40:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 286 transitions. [2022-01-10 02:40:11,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-01-10 02:40:11,380 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:11,380 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 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] [2022-01-10 02:40:11,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:11,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:11,586 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:11,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:11,587 INFO L85 PathProgramCache]: Analyzing trace with hash 755662145, now seen corresponding path program 1 times [2022-01-10 02:40:11,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:11,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [252208076] [2022-01-10 02:40:11,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:11,587 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:11,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:11,588 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:11,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-01-10 02:40:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:11,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:11,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 02:40:11,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:11,783 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:11,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [252208076] [2022-01-10 02:40:11,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [252208076] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:11,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:11,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:11,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839834268] [2022-01-10 02:40:11,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:11,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:11,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:11,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:11,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:11,785 INFO L87 Difference]: Start difference. First operand 211 states and 286 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2022-01-10 02:40:11,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:11,912 INFO L93 Difference]: Finished difference Result 440 states and 610 transitions. [2022-01-10 02:40:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:11,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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 101 [2022-01-10 02:40:11,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:11,914 INFO L225 Difference]: With dead ends: 440 [2022-01-10 02:40:11,914 INFO L226 Difference]: Without dead ends: 248 [2022-01-10 02:40:11,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:11,915 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 29 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:11,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 270 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:11,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-01-10 02:40:11,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 236. [2022-01-10 02:40:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 235 states have (on average 1.3446808510638297) internal successors, (316), 235 states have internal predecessors, (316), 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) [2022-01-10 02:40:11,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 316 transitions. [2022-01-10 02:40:11,924 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 316 transitions. Word has length 101 [2022-01-10 02:40:11,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:11,924 INFO L470 AbstractCegarLoop]: Abstraction has 236 states and 316 transitions. [2022-01-10 02:40:11,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2022-01-10 02:40:11,924 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 316 transitions. [2022-01-10 02:40:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 02:40:11,925 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:11,925 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 02:40:11,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:12,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:12,132 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:12,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:12,132 INFO L85 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2022-01-10 02:40:12,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:12,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [397717074] [2022-01-10 02:40:12,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:12,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:12,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:12,134 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:12,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-01-10 02:40:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:12,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:12,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:12,405 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 02:40:12,406 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:12,406 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:12,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [397717074] [2022-01-10 02:40:12,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [397717074] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:12,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:12,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:12,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779667069] [2022-01-10 02:40:12,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:12,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:12,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:12,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:12,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:12,409 INFO L87 Difference]: Start difference. First operand 236 states and 316 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2022-01-10 02:40:12,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:12,455 INFO L93 Difference]: Finished difference Result 666 states and 899 transitions. [2022-01-10 02:40:12,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:12,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 121 [2022-01-10 02:40:12,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:12,458 INFO L225 Difference]: With dead ends: 666 [2022-01-10 02:40:12,458 INFO L226 Difference]: Without dead ends: 449 [2022-01-10 02:40:12,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:12,461 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 113 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:12,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 433 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:40:12,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2022-01-10 02:40:12,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2022-01-10 02:40:12,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.3415178571428572) internal successors, (601), 448 states have internal predecessors, (601), 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) [2022-01-10 02:40:12,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 601 transitions. [2022-01-10 02:40:12,472 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 601 transitions. Word has length 121 [2022-01-10 02:40:12,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:12,472 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 601 transitions. [2022-01-10 02:40:12,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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) [2022-01-10 02:40:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 601 transitions. [2022-01-10 02:40:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 02:40:12,473 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:12,474 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 02:40:12,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:12,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:12,682 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:12,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:12,683 INFO L85 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2022-01-10 02:40:12,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:12,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1760889030] [2022-01-10 02:40:12,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:12,683 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:12,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:12,684 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:12,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-01-10 02:40:12,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:12,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:12,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:12,868 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 02:40:12,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:12,868 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:12,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1760889030] [2022-01-10 02:40:12,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1760889030] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:12,868 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:12,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:12,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697334149] [2022-01-10 02:40:12,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:12,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:12,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:12,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:12,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:12,869 INFO L87 Difference]: Start difference. First operand 449 states and 601 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2022-01-10 02:40:12,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:12,905 INFO L93 Difference]: Finished difference Result 1090 states and 1466 transitions. [2022-01-10 02:40:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:12,905 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 121 [2022-01-10 02:40:12,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:12,907 INFO L225 Difference]: With dead ends: 1090 [2022-01-10 02:40:12,907 INFO L226 Difference]: Without dead ends: 660 [2022-01-10 02:40:12,908 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:12,908 INFO L933 BasicCegarLoop]: 254 mSDtfsCounter, 111 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:12,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 417 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:40:12,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2022-01-10 02:40:12,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 660. [2022-01-10 02:40:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 659 states have (on average 1.339908952959029) internal successors, (883), 659 states have internal predecessors, (883), 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) [2022-01-10 02:40:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 883 transitions. [2022-01-10 02:40:12,919 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 883 transitions. Word has length 121 [2022-01-10 02:40:12,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:12,923 INFO L470 AbstractCegarLoop]: Abstraction has 660 states and 883 transitions. [2022-01-10 02:40:12,927 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2022-01-10 02:40:12,927 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 883 transitions. [2022-01-10 02:40:12,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 02:40:12,929 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:12,929 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 02:40:12,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:13,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:13,137 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:13,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:13,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1728089839, now seen corresponding path program 1 times [2022-01-10 02:40:13,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:13,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [688503038] [2022-01-10 02:40:13,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:13,138 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:13,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:13,139 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:13,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-01-10 02:40:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:13,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:13,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-01-10 02:40:13,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:13,327 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:13,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [688503038] [2022-01-10 02:40:13,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [688503038] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:13,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:13,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:13,327 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786186518] [2022-01-10 02:40:13,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:13,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:13,327 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:13,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:13,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:13,328 INFO L87 Difference]: Start difference. First operand 660 states and 883 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2022-01-10 02:40:13,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:13,359 INFO L93 Difference]: Finished difference Result 1325 states and 1773 transitions. [2022-01-10 02:40:13,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:13,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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 121 [2022-01-10 02:40:13,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:13,361 INFO L225 Difference]: With dead ends: 1325 [2022-01-10 02:40:13,361 INFO L226 Difference]: Without dead ends: 684 [2022-01-10 02:40:13,362 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:13,362 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 10 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:13,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 346 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:40:13,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2022-01-10 02:40:13,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 684. [2022-01-10 02:40:13,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 683 states have (on average 1.335285505124451) internal successors, (912), 683 states have internal predecessors, (912), 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) [2022-01-10 02:40:13,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 912 transitions. [2022-01-10 02:40:13,372 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 912 transitions. Word has length 121 [2022-01-10 02:40:13,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:13,373 INFO L470 AbstractCegarLoop]: Abstraction has 684 states and 912 transitions. [2022-01-10 02:40:13,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2022-01-10 02:40:13,373 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 912 transitions. [2022-01-10 02:40:13,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 02:40:13,374 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:13,374 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 02:40:13,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:13,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:13,581 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:13,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:13,581 INFO L85 PathProgramCache]: Analyzing trace with hash -305304207, now seen corresponding path program 1 times [2022-01-10 02:40:13,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:13,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [149676626] [2022-01-10 02:40:13,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:13,582 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:13,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:13,583 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:13,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-01-10 02:40:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:13,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:13,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:13,767 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-01-10 02:40:13,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:13,768 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:13,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [149676626] [2022-01-10 02:40:13,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [149676626] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:13,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:13,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:13,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509703876] [2022-01-10 02:40:13,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:13,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:13,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:13,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:13,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:13,769 INFO L87 Difference]: Start difference. First operand 684 states and 912 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2022-01-10 02:40:13,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:13,797 INFO L93 Difference]: Finished difference Result 1351 states and 1804 transitions. [2022-01-10 02:40:13,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:13,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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 121 [2022-01-10 02:40:13,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:13,799 INFO L225 Difference]: With dead ends: 1351 [2022-01-10 02:40:13,800 INFO L226 Difference]: Without dead ends: 686 [2022-01-10 02:40:13,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:13,801 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 6 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:13,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 326 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:40:13,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2022-01-10 02:40:13,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 686. [2022-01-10 02:40:13,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 685 states have (on average 1.3343065693430658) internal successors, (914), 685 states have internal predecessors, (914), 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) [2022-01-10 02:40:13,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 914 transitions. [2022-01-10 02:40:13,810 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 914 transitions. Word has length 121 [2022-01-10 02:40:13,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:13,810 INFO L470 AbstractCegarLoop]: Abstraction has 686 states and 914 transitions. [2022-01-10 02:40:13,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2022-01-10 02:40:13,810 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 914 transitions. [2022-01-10 02:40:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-01-10 02:40:13,812 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:13,812 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2022-01-10 02:40:13,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:14,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:14,018 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:14,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:14,019 INFO L85 PathProgramCache]: Analyzing trace with hash -247255522, now seen corresponding path program 1 times [2022-01-10 02:40:14,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:14,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236138052] [2022-01-10 02:40:14,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:14,019 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:14,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:14,020 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:14,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-01-10 02:40:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:14,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:14,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 02:40:14,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:14,291 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:14,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236138052] [2022-01-10 02:40:14,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236138052] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:14,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:14,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:14,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520430241] [2022-01-10 02:40:14,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:14,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:14,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:14,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:14,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:14,292 INFO L87 Difference]: Start difference. First operand 686 states and 914 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2022-01-10 02:40:14,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:14,412 INFO L93 Difference]: Finished difference Result 1446 states and 1964 transitions. [2022-01-10 02:40:14,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:14,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 159 [2022-01-10 02:40:14,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:14,418 INFO L225 Difference]: With dead ends: 1446 [2022-01-10 02:40:14,418 INFO L226 Difference]: Without dead ends: 781 [2022-01-10 02:40:14,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:14,419 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 18 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:14,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 267 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:14,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2022-01-10 02:40:14,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 770. [2022-01-10 02:40:14,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 769 states have (on average 1.3107932379713914) internal successors, (1008), 769 states have internal predecessors, (1008), 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) [2022-01-10 02:40:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1008 transitions. [2022-01-10 02:40:14,431 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1008 transitions. Word has length 159 [2022-01-10 02:40:14,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:14,431 INFO L470 AbstractCegarLoop]: Abstraction has 770 states and 1008 transitions. [2022-01-10 02:40:14,431 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2022-01-10 02:40:14,431 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1008 transitions. [2022-01-10 02:40:14,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-01-10 02:40:14,433 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:14,433 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 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] [2022-01-10 02:40:14,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:14,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:14,641 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:14,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:14,641 INFO L85 PathProgramCache]: Analyzing trace with hash 118327499, now seen corresponding path program 1 times [2022-01-10 02:40:14,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:14,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [475628694] [2022-01-10 02:40:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:14,642 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:14,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:14,643 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:14,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-01-10 02:40:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:14,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:14,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-01-10 02:40:14,928 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:14,928 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:14,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [475628694] [2022-01-10 02:40:14,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [475628694] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:14,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:14,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:14,929 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329472637] [2022-01-10 02:40:14,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:14,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:14,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:14,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:14,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:14,930 INFO L87 Difference]: Start difference. First operand 770 states and 1008 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-01-10 02:40:15,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:15,038 INFO L93 Difference]: Finished difference Result 1612 states and 2150 transitions. [2022-01-10 02:40:15,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:15,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 201 [2022-01-10 02:40:15,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:15,044 INFO L225 Difference]: With dead ends: 1612 [2022-01-10 02:40:15,044 INFO L226 Difference]: Without dead ends: 863 [2022-01-10 02:40:15,045 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:15,045 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:15,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 265 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:15,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2022-01-10 02:40:15,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 863. [2022-01-10 02:40:15,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 862 states have (on average 1.294663573085847) internal successors, (1116), 862 states have internal predecessors, (1116), 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) [2022-01-10 02:40:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1116 transitions. [2022-01-10 02:40:15,056 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1116 transitions. Word has length 201 [2022-01-10 02:40:15,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:15,057 INFO L470 AbstractCegarLoop]: Abstraction has 863 states and 1116 transitions. [2022-01-10 02:40:15,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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) [2022-01-10 02:40:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1116 transitions. [2022-01-10 02:40:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-01-10 02:40:15,059 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:15,059 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 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] [2022-01-10 02:40:15,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-01-10 02:40:15,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:15,267 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:15,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:15,268 INFO L85 PathProgramCache]: Analyzing trace with hash 598072934, now seen corresponding path program 1 times [2022-01-10 02:40:15,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:15,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627791803] [2022-01-10 02:40:15,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:15,268 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:15,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:15,269 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:15,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-01-10 02:40:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:15,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:15,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:15,625 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-01-10 02:40:15,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:15,625 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:15,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627791803] [2022-01-10 02:40:15,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627791803] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:15,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:15,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:15,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112136954] [2022-01-10 02:40:15,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:15,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:15,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:15,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:15,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:15,627 INFO L87 Difference]: Start difference. First operand 863 states and 1116 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2022-01-10 02:40:15,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:15,756 INFO L93 Difference]: Finished difference Result 1834 states and 2435 transitions. [2022-01-10 02:40:15,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:15,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 229 [2022-01-10 02:40:15,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:15,762 INFO L225 Difference]: With dead ends: 1834 [2022-01-10 02:40:15,762 INFO L226 Difference]: Without dead ends: 858 [2022-01-10 02:40:15,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:15,764 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:15,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 271 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:15,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2022-01-10 02:40:15,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 858. [2022-01-10 02:40:15,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 857 states have (on average 1.2905484247374563) internal successors, (1106), 857 states have internal predecessors, (1106), 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) [2022-01-10 02:40:15,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1106 transitions. [2022-01-10 02:40:15,775 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1106 transitions. Word has length 229 [2022-01-10 02:40:15,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:15,776 INFO L470 AbstractCegarLoop]: Abstraction has 858 states and 1106 transitions. [2022-01-10 02:40:15,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2022-01-10 02:40:15,776 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1106 transitions. [2022-01-10 02:40:15,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-01-10 02:40:15,777 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:15,778 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 02:40:15,789 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:15,988 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:15,988 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:15,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:15,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2022-01-10 02:40:15,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:15,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [224896865] [2022-01-10 02:40:15,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:15,989 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:15,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:15,990 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:15,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 02:40:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:16,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:16,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:16,435 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-10 02:40:16,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:16,436 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:16,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [224896865] [2022-01-10 02:40:16,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [224896865] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:16,436 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:16,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:16,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439354879] [2022-01-10 02:40:16,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:16,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:16,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:16,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:16,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:16,437 INFO L87 Difference]: Start difference. First operand 858 states and 1106 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2022-01-10 02:40:16,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:16,456 INFO L93 Difference]: Finished difference Result 2415 states and 3131 transitions. [2022-01-10 02:40:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:16,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 269 [2022-01-10 02:40:16,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:16,460 INFO L225 Difference]: With dead ends: 2415 [2022-01-10 02:40:16,460 INFO L226 Difference]: Without dead ends: 1074 [2022-01-10 02:40:16,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:16,462 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 98 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:16,462 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 456 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:40:16,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2022-01-10 02:40:16,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1072. [2022-01-10 02:40:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1072 states, 1071 states have (on average 1.2913165266106443) internal successors, (1383), 1071 states have internal predecessors, (1383), 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) [2022-01-10 02:40:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1383 transitions. [2022-01-10 02:40:16,477 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1383 transitions. Word has length 269 [2022-01-10 02:40:16,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:16,477 INFO L470 AbstractCegarLoop]: Abstraction has 1072 states and 1383 transitions. [2022-01-10 02:40:16,477 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2022-01-10 02:40:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1383 transitions. [2022-01-10 02:40:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-01-10 02:40:16,479 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:16,480 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 02:40:16,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:16,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:16,688 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:16,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:16,688 INFO L85 PathProgramCache]: Analyzing trace with hash 746936446, now seen corresponding path program 1 times [2022-01-10 02:40:16,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:16,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239962823] [2022-01-10 02:40:16,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:16,689 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:16,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:16,689 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:16,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 02:40:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:16,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:16,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-01-10 02:40:17,099 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:17,099 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:17,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239962823] [2022-01-10 02:40:17,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239962823] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:17,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:17,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:17,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812832805] [2022-01-10 02:40:17,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:17,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:17,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:17,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:17,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:17,101 INFO L87 Difference]: Start difference. First operand 1072 states and 1383 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2022-01-10 02:40:17,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:17,214 INFO L93 Difference]: Finished difference Result 2259 states and 2965 transitions. [2022-01-10 02:40:17,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:17,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 315 [2022-01-10 02:40:17,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:17,217 INFO L225 Difference]: With dead ends: 2259 [2022-01-10 02:40:17,217 INFO L226 Difference]: Without dead ends: 1208 [2022-01-10 02:40:17,218 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:17,219 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 18 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:17,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 265 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:17,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2022-01-10 02:40:17,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1180. [2022-01-10 02:40:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 1179 states have (on average 1.2815945716709076) internal successors, (1511), 1179 states have internal predecessors, (1511), 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) [2022-01-10 02:40:17,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1511 transitions. [2022-01-10 02:40:17,233 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1511 transitions. Word has length 315 [2022-01-10 02:40:17,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:17,233 INFO L470 AbstractCegarLoop]: Abstraction has 1180 states and 1511 transitions. [2022-01-10 02:40:17,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2022-01-10 02:40:17,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1511 transitions. [2022-01-10 02:40:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-01-10 02:40:17,235 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:17,236 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2022-01-10 02:40:17,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:17,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:17,444 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:17,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:17,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1865013778, now seen corresponding path program 1 times [2022-01-10 02:40:17,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:17,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826025259] [2022-01-10 02:40:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:17,445 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:17,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:17,446 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:17,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-01-10 02:40:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:17,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:17,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:17,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-01-10 02:40:17,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:17,893 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:17,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826025259] [2022-01-10 02:40:17,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826025259] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:17,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:17,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:17,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531101113] [2022-01-10 02:40:17,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:17,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:17,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:17,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:17,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:17,895 INFO L87 Difference]: Start difference. First operand 1180 states and 1511 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2022-01-10 02:40:18,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:18,002 INFO L93 Difference]: Finished difference Result 2463 states and 3197 transitions. [2022-01-10 02:40:18,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:18,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 338 [2022-01-10 02:40:18,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:18,005 INFO L225 Difference]: With dead ends: 2463 [2022-01-10 02:40:18,005 INFO L226 Difference]: Without dead ends: 1304 [2022-01-10 02:40:18,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:18,008 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 11 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:18,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 265 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:18,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2022-01-10 02:40:18,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1296. [2022-01-10 02:40:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1296 states, 1295 states have (on average 1.271814671814672) internal successors, (1647), 1295 states have internal predecessors, (1647), 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) [2022-01-10 02:40:18,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1647 transitions. [2022-01-10 02:40:18,026 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1647 transitions. Word has length 338 [2022-01-10 02:40:18,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:18,026 INFO L470 AbstractCegarLoop]: Abstraction has 1296 states and 1647 transitions. [2022-01-10 02:40:18,027 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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) [2022-01-10 02:40:18,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1647 transitions. [2022-01-10 02:40:18,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-01-10 02:40:18,029 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:18,030 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2022-01-10 02:40:18,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:18,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:18,238 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:18,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:18,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2022-01-10 02:40:18,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:18,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218536853] [2022-01-10 02:40:18,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:18,239 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:18,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:18,240 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:18,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-01-10 02:40:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:18,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:18,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2022-01-10 02:40:18,729 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:18,729 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:18,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218536853] [2022-01-10 02:40:18,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1218536853] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:18,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:18,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:18,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539957300] [2022-01-10 02:40:18,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:18,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:18,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:18,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:18,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:18,730 INFO L87 Difference]: Start difference. First operand 1296 states and 1647 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2022-01-10 02:40:18,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:18,763 INFO L93 Difference]: Finished difference Result 3838 states and 4879 transitions. [2022-01-10 02:40:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:18,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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 370 [2022-01-10 02:40:18,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:18,769 INFO L225 Difference]: With dead ends: 3838 [2022-01-10 02:40:18,769 INFO L226 Difference]: Without dead ends: 2563 [2022-01-10 02:40:18,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:18,771 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 123 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:18,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 370 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 02:40:18,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2563 states. [2022-01-10 02:40:18,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2563 to 2561. [2022-01-10 02:40:18,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 2560 states have (on average 1.26875) internal successors, (3248), 2560 states have internal predecessors, (3248), 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) [2022-01-10 02:40:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3248 transitions. [2022-01-10 02:40:18,802 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3248 transitions. Word has length 370 [2022-01-10 02:40:18,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:18,803 INFO L470 AbstractCegarLoop]: Abstraction has 2561 states and 3248 transitions. [2022-01-10 02:40:18,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 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) [2022-01-10 02:40:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3248 transitions. [2022-01-10 02:40:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-01-10 02:40:18,805 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:18,805 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2022-01-10 02:40:18,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:19,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:19,013 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:19,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:19,014 INFO L85 PathProgramCache]: Analyzing trace with hash -59651589, now seen corresponding path program 1 times [2022-01-10 02:40:19,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:19,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560864632] [2022-01-10 02:40:19,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:19,014 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:19,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:19,015 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:19,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-01-10 02:40:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:19,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 02:40:19,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 875 proven. 26 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-01-10 02:40:19,515 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 02:40:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 875 proven. 26 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-01-10 02:40:20,007 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:20,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560864632] [2022-01-10 02:40:20,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560864632] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 02:40:20,007 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 02:40:20,007 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-01-10 02:40:20,007 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905129498] [2022-01-10 02:40:20,007 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 02:40:20,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 02:40:20,008 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:20,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 02:40:20,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 02:40:20,009 INFO L87 Difference]: Start difference. First operand 2561 states and 3248 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2022-01-10 02:40:20,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:20,218 INFO L93 Difference]: Finished difference Result 7953 states and 10198 transitions. [2022-01-10 02:40:20,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 02:40:20,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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 371 [2022-01-10 02:40:20,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:20,231 INFO L225 Difference]: With dead ends: 7953 [2022-01-10 02:40:20,231 INFO L226 Difference]: Without dead ends: 5413 [2022-01-10 02:40:20,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 742 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 02:40:20,234 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 148 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:20,235 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 569 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 02:40:20,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5413 states. [2022-01-10 02:40:20,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5413 to 3417. [2022-01-10 02:40:20,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3417 states, 3416 states have (on average 1.288056206088993) internal successors, (4400), 3416 states have internal predecessors, (4400), 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) [2022-01-10 02:40:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 3417 states and 4400 transitions. [2022-01-10 02:40:20,294 INFO L78 Accepts]: Start accepts. Automaton has 3417 states and 4400 transitions. Word has length 371 [2022-01-10 02:40:20,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:20,294 INFO L470 AbstractCegarLoop]: Abstraction has 3417 states and 4400 transitions. [2022-01-10 02:40:20,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 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) [2022-01-10 02:40:20,294 INFO L276 IsEmpty]: Start isEmpty. Operand 3417 states and 4400 transitions. [2022-01-10 02:40:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2022-01-10 02:40:20,297 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:20,297 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 02:40:20,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:20,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:20,506 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:20,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:20,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1792598736, now seen corresponding path program 1 times [2022-01-10 02:40:20,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:20,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928377387] [2022-01-10 02:40:20,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:20,507 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:20,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:20,508 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:20,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-01-10 02:40:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:20,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:20,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:21,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 916 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2022-01-10 02:40:21,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:21,001 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:21,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928377387] [2022-01-10 02:40:21,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928377387] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:21,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:21,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:21,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286071592] [2022-01-10 02:40:21,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:21,002 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:21,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:21,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:21,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:21,002 INFO L87 Difference]: Start difference. First operand 3417 states and 4400 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2022-01-10 02:40:21,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:21,122 INFO L93 Difference]: Finished difference Result 7159 states and 9283 transitions. [2022-01-10 02:40:21,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:21,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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 401 [2022-01-10 02:40:21,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:21,131 INFO L225 Difference]: With dead ends: 7159 [2022-01-10 02:40:21,131 INFO L226 Difference]: Without dead ends: 3763 [2022-01-10 02:40:21,135 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 399 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:21,135 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 13 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:21,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 271 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:21,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3763 states. [2022-01-10 02:40:21,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3763 to 3577. [2022-01-10 02:40:21,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3577 states, 3576 states have (on average 1.2863534675615214) internal successors, (4600), 3576 states have internal predecessors, (4600), 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) [2022-01-10 02:40:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 3577 states and 4600 transitions. [2022-01-10 02:40:21,188 INFO L78 Accepts]: Start accepts. Automaton has 3577 states and 4600 transitions. Word has length 401 [2022-01-10 02:40:21,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:21,189 INFO L470 AbstractCegarLoop]: Abstraction has 3577 states and 4600 transitions. [2022-01-10 02:40:21,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 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) [2022-01-10 02:40:21,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3577 states and 4600 transitions. [2022-01-10 02:40:21,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-01-10 02:40:21,192 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:21,192 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 02:40:21,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:21,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:21,403 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:21,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:21,403 INFO L85 PathProgramCache]: Analyzing trace with hash 571180815, now seen corresponding path program 1 times [2022-01-10 02:40:21,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:21,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340769023] [2022-01-10 02:40:21,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:21,404 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:21,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:21,405 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:21,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-01-10 02:40:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:21,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:21,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 983 proven. 0 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2022-01-10 02:40:21,927 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:21,928 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:21,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340769023] [2022-01-10 02:40:21,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340769023] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:21,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:21,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:21,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776997411] [2022-01-10 02:40:21,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:21,928 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:21,928 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:21,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:21,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:21,929 INFO L87 Difference]: Start difference. First operand 3577 states and 4600 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2022-01-10 02:40:22,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:22,064 INFO L93 Difference]: Finished difference Result 7709 states and 10135 transitions. [2022-01-10 02:40:22,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:22,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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 402 [2022-01-10 02:40:22,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:22,075 INFO L225 Difference]: With dead ends: 7709 [2022-01-10 02:40:22,075 INFO L226 Difference]: Without dead ends: 4153 [2022-01-10 02:40:22,078 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:22,078 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 11 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:22,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 265 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:22,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4153 states. [2022-01-10 02:40:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4153 to 4121. [2022-01-10 02:40:22,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4121 states, 4120 states have (on average 1.2679611650485436) internal successors, (5224), 4120 states have internal predecessors, (5224), 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) [2022-01-10 02:40:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 4121 states and 5224 transitions. [2022-01-10 02:40:22,131 INFO L78 Accepts]: Start accepts. Automaton has 4121 states and 5224 transitions. Word has length 402 [2022-01-10 02:40:22,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:22,131 INFO L470 AbstractCegarLoop]: Abstraction has 4121 states and 5224 transitions. [2022-01-10 02:40:22,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 3 states have internal predecessors, (156), 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) [2022-01-10 02:40:22,131 INFO L276 IsEmpty]: Start isEmpty. Operand 4121 states and 5224 transitions. [2022-01-10 02:40:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-01-10 02:40:22,135 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:22,135 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 7, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 02:40:22,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:22,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:22,349 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:22,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:22,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1646161403, now seen corresponding path program 1 times [2022-01-10 02:40:22,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:22,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441667311] [2022-01-10 02:40:22,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:22,350 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:22,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:22,351 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:22,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-01-10 02:40:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:22,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:22,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:22,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 1162 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-01-10 02:40:22,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:22,877 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:22,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441667311] [2022-01-10 02:40:22,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441667311] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:22,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:22,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:22,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577093315] [2022-01-10 02:40:22,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:22,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:22,878 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:22,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:22,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:22,878 INFO L87 Difference]: Start difference. First operand 4121 states and 5224 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2022-01-10 02:40:23,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:23,030 INFO L93 Difference]: Finished difference Result 8525 states and 10935 transitions. [2022-01-10 02:40:23,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:23,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 433 [2022-01-10 02:40:23,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:23,040 INFO L225 Difference]: With dead ends: 8525 [2022-01-10 02:40:23,041 INFO L226 Difference]: Without dead ends: 4425 [2022-01-10 02:40:23,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:23,044 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 11 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:23,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 265 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:23,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4425 states. [2022-01-10 02:40:23,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4425 to 3809. [2022-01-10 02:40:23,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3809 states, 3808 states have (on average 1.2352941176470589) internal successors, (4704), 3808 states have internal predecessors, (4704), 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) [2022-01-10 02:40:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3809 states to 3809 states and 4704 transitions. [2022-01-10 02:40:23,090 INFO L78 Accepts]: Start accepts. Automaton has 3809 states and 4704 transitions. Word has length 433 [2022-01-10 02:40:23,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:23,090 INFO L470 AbstractCegarLoop]: Abstraction has 3809 states and 4704 transitions. [2022-01-10 02:40:23,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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) [2022-01-10 02:40:23,090 INFO L276 IsEmpty]: Start isEmpty. Operand 3809 states and 4704 transitions. [2022-01-10 02:40:23,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-01-10 02:40:23,094 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:23,094 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 7, 7, 6, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 02:40:23,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:23,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:23,302 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:23,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:23,303 INFO L85 PathProgramCache]: Analyzing trace with hash 912404788, now seen corresponding path program 1 times [2022-01-10 02:40:23,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:23,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [757011556] [2022-01-10 02:40:23,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:23,303 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:23,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:23,304 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:23,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-01-10 02:40:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:23,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 02:40:23,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2331 backedges. 1351 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2022-01-10 02:40:23,912 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 02:40:23,912 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:23,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [757011556] [2022-01-10 02:40:23,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [757011556] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 02:40:23,912 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 02:40:23,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 02:40:23,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599295260] [2022-01-10 02:40:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 02:40:23,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 02:40:23,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:23,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 02:40:23,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:23,913 INFO L87 Difference]: Start difference. First operand 3809 states and 4704 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2022-01-10 02:40:24,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:24,065 INFO L93 Difference]: Finished difference Result 7745 states and 9679 transitions. [2022-01-10 02:40:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 02:40:24,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 466 [2022-01-10 02:40:24,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:24,071 INFO L225 Difference]: With dead ends: 7745 [2022-01-10 02:40:24,071 INFO L226 Difference]: Without dead ends: 3731 [2022-01-10 02:40:24,074 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 02:40:24,074 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 14 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:24,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 264 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 02:40:24,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2022-01-10 02:40:24,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 3719. [2022-01-10 02:40:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3719 states, 3718 states have (on average 1.2205486820871436) internal successors, (4538), 3718 states have internal predecessors, (4538), 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) [2022-01-10 02:40:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 3719 states and 4538 transitions. [2022-01-10 02:40:24,123 INFO L78 Accepts]: Start accepts. Automaton has 3719 states and 4538 transitions. Word has length 466 [2022-01-10 02:40:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:24,124 INFO L470 AbstractCegarLoop]: Abstraction has 3719 states and 4538 transitions. [2022-01-10 02:40:24,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2022-01-10 02:40:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 3719 states and 4538 transitions. [2022-01-10 02:40:24,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-01-10 02:40:24,128 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 02:40:24,128 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 11, 11, 9, 8, 8, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 02:40:24,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-01-10 02:40:24,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:24,336 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 02:40:24,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 02:40:24,336 INFO L85 PathProgramCache]: Analyzing trace with hash 325769247, now seen corresponding path program 1 times [2022-01-10 02:40:24,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 02:40:24,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1404503175] [2022-01-10 02:40:24,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 02:40:24,337 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 02:40:24,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 02:40:24,338 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 02:40:24,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-01-10 02:40:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 02:40:24,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 02:40:24,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 02:40:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2727 backedges. 1308 proven. 26 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2022-01-10 02:40:25,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 02:40:25,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2727 backedges. 1308 proven. 26 refuted. 0 times theorem prover too weak. 1393 trivial. 0 not checked. [2022-01-10 02:40:25,493 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 02:40:25,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1404503175] [2022-01-10 02:40:25,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1404503175] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 02:40:25,493 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 02:40:25,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 02:40:25,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219837690] [2022-01-10 02:40:25,493 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 02:40:25,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 02:40:25,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 02:40:25,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 02:40:25,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 02:40:25,499 INFO L87 Difference]: Start difference. First operand 3719 states and 4538 transitions. Second operand has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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) [2022-01-10 02:40:25,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 02:40:25,763 INFO L93 Difference]: Finished difference Result 5040 states and 6159 transitions. [2022-01-10 02:40:25,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 02:40:25,765 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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 504 [2022-01-10 02:40:25,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 02:40:25,766 INFO L225 Difference]: With dead ends: 5040 [2022-01-10 02:40:25,766 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 02:40:25,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1012 GetRequests, 1005 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-10 02:40:25,769 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 207 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 02:40:25,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 570 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 02:40:25,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 02:40:25,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 02:40:25,769 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) [2022-01-10 02:40:25,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 02:40:25,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 504 [2022-01-10 02:40:25,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 02:40:25,769 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 02:40:25,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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) [2022-01-10 02:40:25,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 02:40:25,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 02:40:25,772 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 02:40:25,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2022-01-10 02:40:25,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 02:40:25,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 02:40:27,678 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2022-01-10 02:40:27,678 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2022-01-10 02:40:27,678 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L854 garLoopResultBuilder]: At program point L598(lines 109 666) the Hoare annotation is: (let ((.cse3 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse8 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32))) (.cse6 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (= (_ bv8592 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse9 (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8466 32)) .cse1) (and .cse2 .cse3) (and .cse0 .cse4 .cse1) (and .cse2 .cse0) (and .cse0 (= (_ bv8560 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse5 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse6) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) .cse7) (and .cse0 (= (_ bv8544 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse2 .cse5) (and .cse0 .cse8 (= (_ bv8576 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse3) (and .cse5 (= (_ bv8672 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse8 .cse6) (and .cse0 (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse7 .cse1) (and .cse0 (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse2 .cse4) (= (_ bv3 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (and .cse0 .cse9 .cse1) (and .cse2 .cse9) (and .cse0 (= (_ bv8528 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L861 garLoopResultBuilder]: At program point L667(lines 108 668) the Hoare annotation is: true [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2022-01-10 02:40:27,679 INFO L854 garLoopResultBuilder]: At program point L206(lines 202 605) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 02:40:27,680 INFO L854 garLoopResultBuilder]: At program point L173(lines 169 616) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L854 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L854 garLoopResultBuilder]: At program point L109-2(lines 109 666) the Hoare annotation is: (let ((.cse3 (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse8 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32))) (.cse6 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (= (_ bv8496 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (= (_ bv8592 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (.cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse9 (= (_ bv8608 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8466 32)) .cse1) (and .cse2 .cse3) (and .cse0 .cse4 .cse1) (and .cse2 .cse0) (and .cse0 (= (_ bv8560 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse5 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse6) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)) .cse7) (and .cse0 (= (_ bv8544 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse2 .cse5) (and .cse0 .cse8 (= (_ bv8576 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse3) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| (_ bv8464 32)) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv0 32))) (and .cse5 (= (_ bv8672 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse8 .cse6) (and .cse0 (= (_ bv8656 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse7 .cse1) (and .cse0 (= (_ bv8512 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse2 .cse4) (= (_ bv3 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (and .cse0 .cse9 .cse1) (and .cse2 .cse9) (and .cse0 (= (_ bv8528 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2022-01-10 02:40:27,680 INFO L858 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L854 garLoopResultBuilder]: At program point L407(lines 398 429) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 02:40:27,681 INFO L854 garLoopResultBuilder]: At program point L176(lines 175 614) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (= (_ bv8448 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv3 32)) .cse1) (and .cse2 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8576 32)) .cse1) (and .cse3 .cse0 .cse1) (and .cse3 .cse2 .cse1))) [2022-01-10 02:40:27,681 INFO L854 garLoopResultBuilder]: At program point L143(lines 136 627) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse2 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (and .cse1 .cse2 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (and .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv0 32))))) [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 603) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32)))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (and .cse0 .cse1) (and .cse1 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2022-01-10 02:40:27,681 INFO L861 garLoopResultBuilder]: At program point L113(lines 112 635) the Hoare annotation is: true [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2022-01-10 02:40:27,681 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L861 garLoopResultBuilder]: At program point L215(lines 214 601) the Hoare annotation is: true [2022-01-10 02:40:27,682 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 613) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)))) (or (and .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (and .cse1 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))))) [2022-01-10 02:40:27,682 INFO L854 garLoopResultBuilder]: At program point L149(lines 145 624) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse3 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32)))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv1 32)))) (or (and .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))) (and .cse2 .cse3) (and .cse1 .cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32)))) (and .cse0 .cse2))) [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 600) the Hoare annotation is: true [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L854 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 219 597) no Hoare annotation was computed. [2022-01-10 02:40:27,682 INFO L861 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2022-01-10 02:40:27,682 INFO L858 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L861 garLoopResultBuilder]: At program point L683(lines 19 685) the Hoare annotation is: true [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 611) the Hoare annotation is: (or (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) [2022-01-10 02:40:27,683 INFO L854 garLoopResultBuilder]: At program point L155(lines 151 622) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L861 garLoopResultBuilder]: At program point L222(lines 115 634) the Hoare annotation is: true [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 74 684) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2022-01-10 02:40:27,683 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 609) the Hoare annotation is: (or (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (not (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| (_ bv8640 32))))) [2022-01-10 02:40:27,684 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 620) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L854 garLoopResultBuilder]: At program point L131(lines 127 630) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L854 garLoopResultBuilder]: At program point L561(lines 74 684) the Hoare annotation is: false [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2022-01-10 02:40:27,684 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2022-01-10 02:40:27,685 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2022-01-10 02:40:27,685 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2022-01-10 02:40:27,685 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2022-01-10 02:40:27,685 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2022-01-10 02:40:27,685 INFO L861 garLoopResultBuilder]: At program point L695(lines 686 697) the Hoare annotation is: true [2022-01-10 02:40:27,685 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2022-01-10 02:40:27,685 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2022-01-10 02:40:27,685 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2022-01-10 02:40:27,685 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 607) the Hoare annotation is: (or (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32)) (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2022-01-10 02:40:27,685 INFO L854 garLoopResultBuilder]: At program point L167(lines 163 618) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv2 32))) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| (_ bv0 32))))) (or (and .cse0 (not (= (_ bv8640 32) |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (and .cse1 .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| (_ bv3 32))))) [2022-01-10 02:40:27,685 INFO L861 garLoopResultBuilder]: At program point L134(lines 133 628) the Hoare annotation is: true [2022-01-10 02:40:27,689 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 02:40:27,690 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 02:40:27,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:40:27 BoogieIcfgContainer [2022-01-10 02:40:27,712 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 02:40:27,713 INFO L158 Benchmark]: Toolchain (without parser) took 19401.55ms. Allocated memory was 178.3MB in the beginning and 268.4MB in the end (delta: 90.2MB). Free memory was 130.2MB in the beginning and 103.8MB in the end (delta: 26.4MB). Peak memory consumption was 140.6MB. Max. memory is 8.0GB. [2022-01-10 02:40:27,713 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 02:40:27,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.81ms. Allocated memory is still 178.3MB. Free memory was 130.0MB in the beginning and 151.8MB in the end (delta: -21.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-10 02:40:27,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.74ms. Allocated memory is still 178.3MB. Free memory was 151.8MB in the beginning and 149.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-10 02:40:27,713 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 178.3MB. Free memory was 149.2MB in the beginning and 147.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 02:40:27,713 INFO L158 Benchmark]: RCFGBuilder took 526.33ms. Allocated memory is still 178.3MB. Free memory was 147.1MB in the beginning and 120.9MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-01-10 02:40:27,714 INFO L158 Benchmark]: TraceAbstraction took 18457.88ms. Allocated memory was 178.3MB in the beginning and 268.4MB in the end (delta: 90.2MB). Free memory was 120.4MB in the beginning and 103.8MB in the end (delta: 16.6MB). Peak memory consumption was 131.1MB. Max. memory is 8.0GB. [2022-01-10 02:40:27,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 178.3MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 336.81ms. Allocated memory is still 178.3MB. Free memory was 130.0MB in the beginning and 151.8MB in the end (delta: -21.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.74ms. Allocated memory is still 178.3MB. Free memory was 151.8MB in the beginning and 149.2MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 178.3MB. Free memory was 149.2MB in the beginning and 147.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 526.33ms. Allocated memory is still 178.3MB. Free memory was 147.1MB in the beginning and 120.9MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 18457.88ms. Allocated memory was 178.3MB in the beginning and 268.4MB in the end (delta: 90.2MB). Free memory was 120.4MB in the beginning and 103.8MB in the end (delta: 16.6MB). Peak memory consumption was 131.1MB. 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: 678]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.4s, OverallIterations: 22, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1026 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1026 mSDsluCounter, 7258 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2884 mSDsCounter, 333 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2178 IncrementalHoareTripleChecker+Invalid, 2511 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 333 mSolverCounterUnsat, 4374 mSDtfsCounter, 2178 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6168 GetRequests, 6138 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4121occurred in iteration=19, InterpolantAutomatonStates: 71, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 2919 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 252 NumberOfFragments, 807 HoareAnnotationTreeSize, 29 FomulaSimplifications, 920 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 29 FomulaSimplificationsInter, 3120 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 5309 NumberOfCodeBlocks, 5309 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 6160 ConstructedInterpolants, 0 QuantifiedInterpolants, 8402 SizeOfPredicates, 5 NumberOfNonLiveVariables, 6241 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 21497/21601 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: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: !(s__hit == 0bv32) || (blastFlag == 2bv32 && 8640bv32 == s__state) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || (blastFlag == 3bv32 && !(8640bv32 == s__state)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8448bv32 == s__state)) || ((!(s__hit == 0bv32) && blastFlag == 3bv32) && 8448bv32 == s__state)) || ((!(s__hit == 0bv32) && blastFlag == 2bv32) && 8448bv32 == s__state) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((((((((blastFlag == 2bv32 && s__state == 8466bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (!(s__hit == 0bv32) && 8640bv32 == s__state)) || ((blastFlag == 2bv32 && 8592bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (blastFlag == 2bv32 && 8560bv32 == s__state)) || ((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || (blastFlag == 2bv32 && 8544bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8576bv32 == s__state)) || (blastFlag == 2bv32 && 8640bv32 == s__state)) || (blastFlag == 3bv32 && 8672bv32 == s__state)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8448bv32 == s__state)) || (blastFlag == 2bv32 && 8656bv32 == s__state)) || ((blastFlag == 2bv32 && 8496bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (blastFlag == 2bv32 && 8512bv32 == s__state)) || (!(s__hit == 0bv32) && 8592bv32 == s__state)) || 3bv32 == s__state) || ((blastFlag == 2bv32 && 8608bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (!(s__hit == 0bv32) && 8608bv32 == s__state)) || (blastFlag == 2bv32 && 8528bv32 == s__state) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: !(s__hit == 0bv32) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((((!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || (blastFlag == 1bv32 && !(8640bv32 == s__state))) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (!(s__hit == 0bv32) && blastFlag == 1bv32) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((blastFlag == 2bv32 && s__state == 8466bv32) && !(s__s3__tmp__next_state___0 == 8640bv32)) || (!(s__hit == 0bv32) && 8640bv32 == s__state)) || ((blastFlag == 2bv32 && 8592bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (blastFlag == 2bv32 && 8560bv32 == s__state)) || ((blastFlag == 3bv32 && s__s3__tmp__next_state___0 == 3bv32) && 8448bv32 == s__state)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || (blastFlag == 2bv32 && 8544bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8576bv32 == s__state)) || (blastFlag == 2bv32 && 8640bv32 == s__state)) || (s__state == 8464bv32 && blastFlag == 0bv32)) || (blastFlag == 3bv32 && 8672bv32 == s__state)) || ((blastFlag == 2bv32 && s__s3__tmp__next_state___0 == 8576bv32) && 8448bv32 == s__state)) || (blastFlag == 2bv32 && 8656bv32 == s__state)) || ((blastFlag == 2bv32 && 8496bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (blastFlag == 2bv32 && 8512bv32 == s__state)) || (!(s__hit == 0bv32) && 8592bv32 == s__state)) || 3bv32 == s__state) || ((blastFlag == 2bv32 && 8608bv32 == s__state) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (!(s__hit == 0bv32) && 8608bv32 == s__state)) || (blastFlag == 2bv32 && 8528bv32 == s__state) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: !(s__hit == 0bv32) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8640bv32))) || (!(8640bv32 == s__state) && blastFlag == 0bv32) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((!(s__hit == 0bv32) && blastFlag == 2bv32) || (!(s__hit == 0bv32) && blastFlag == 3bv32)) || ((blastFlag == 2bv32 && !(8640bv32 == s__state)) && !(s__s3__tmp__next_state___0 == 8640bv32)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((blastFlag == 2bv32 && !(8640bv32 == s__state)) || (!(s__hit == 0bv32) && blastFlag == 2bv32)) || (!(s__hit == 0bv32) && blastFlag == 3bv32) RESULT: Ultimate proved your program to be correct! [2022-01-10 02:40:27,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...