/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/eca-rers2012/Problem01_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:15:51,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:15:51,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:15:51,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 04:15:51,557 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 04:15:51,575 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:15:51,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:15:51,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:15:51,576 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:15:51,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:15:51,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:15:51,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:15:51,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:15:51,577 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:15:51,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:15:51,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:15:51,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:15:51,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:15:51,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:15:51,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:15:51,578 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:15:51,578 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:15:51,578 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:15:51,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:15:51,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:15:51,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:15:51,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:15:51,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:15:51,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:15:51,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:15:51,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:15:51,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:15:51,580 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:15:51,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:15:51,581 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:15:51,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:15:51,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:15:51,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:15:51,581 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:15:51,799 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:15:51,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:15:51,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:15:51,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:15:51,820 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:15:51,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label18.c [2022-01-10 04:15:51,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894f5f52c/9347f6f91a8b4650ad0a2e52208e2bff/FLAG4e51dfe30 [2022-01-10 04:15:52,307 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:15:52,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label18.c [2022-01-10 04:15:52,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894f5f52c/9347f6f91a8b4650ad0a2e52208e2bff/FLAG4e51dfe30 [2022-01-10 04:15:52,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894f5f52c/9347f6f91a8b4650ad0a2e52208e2bff [2022-01-10 04:15:52,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:15:52,653 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:15:52,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:15:52,654 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:15:52,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:15:52,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:15:52" (1/1) ... [2022-01-10 04:15:52,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a9dbcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:52, skipping insertion in model container [2022-01-10 04:15:52,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:15:52" (1/1) ... [2022-01-10 04:15:52,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:15:52,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:15:53,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label18.c[17985,17998] [2022-01-10 04:15:53,079 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:15:53,091 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:15:53,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label18.c[17985,17998] [2022-01-10 04:15:53,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:15:53,162 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:15:53,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53 WrapperNode [2022-01-10 04:15:53,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:15:53,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:15:53,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:15:53,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:15:53,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (1/1) ... [2022-01-10 04:15:53,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (1/1) ... [2022-01-10 04:15:53,252 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2022-01-10 04:15:53,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:15:53,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:15:53,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:15:53,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:15:53,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (1/1) ... [2022-01-10 04:15:53,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (1/1) ... [2022-01-10 04:15:53,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (1/1) ... [2022-01-10 04:15:53,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (1/1) ... [2022-01-10 04:15:53,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (1/1) ... [2022-01-10 04:15:53,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (1/1) ... [2022-01-10 04:15:53,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (1/1) ... [2022-01-10 04:15:53,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:15:53,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:15:53,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:15:53,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:15:53,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (1/1) ... [2022-01-10 04:15:53,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:15:53,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:15:53,348 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 04:15:53,361 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 04:15:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:15:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:15:53,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:15:53,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:15:53,443 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:15:53,444 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:15:54,291 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:15:54,302 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:15:54,303 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:15:54,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:15:54 BoogieIcfgContainer [2022-01-10 04:15:54,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:15:54,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:15:54,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:15:54,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:15:54,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:15:52" (1/3) ... [2022-01-10 04:15:54,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e729bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:15:54, skipping insertion in model container [2022-01-10 04:15:54,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:15:53" (2/3) ... [2022-01-10 04:15:54,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e729bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:15:54, skipping insertion in model container [2022-01-10 04:15:54,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:15:54" (3/3) ... [2022-01-10 04:15:54,315 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label18.c [2022-01-10 04:15:54,319 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:15:54,320 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:15:54,376 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:15:54,383 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 04:15:54,383 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:15:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 04:15:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-10 04:15:54,425 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:15:54,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:54,426 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:15:54,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:15:54,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1128398527, now seen corresponding path program 1 times [2022-01-10 04:15:54,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:15:54,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141910523] [2022-01-10 04:15:54,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:15:54,449 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:15:54,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:15:54,451 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 04:15:54,452 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 04:15:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:15:54,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-10 04:15:54,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:01,700 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 04:16:01,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:01,701 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:01,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141910523] [2022-01-10 04:16:01,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141910523] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:01,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:01,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 04:16:01,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390856839] [2022-01-10 04:16:01,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:01,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 04:16:01,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:01,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 04:16:01,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:16:01,735 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 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 10 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 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 04:16:03,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:03,735 INFO L93 Difference]: Finished difference Result 724 states and 1298 transitions. [2022-01-10 04:16:03,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 04:16:03,737 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 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 100 [2022-01-10 04:16:03,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:03,748 INFO L225 Difference]: With dead ends: 724 [2022-01-10 04:16:03,748 INFO L226 Difference]: Without dead ends: 455 [2022-01-10 04:16:03,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=48, Invalid=62, Unknown=0, NotChecked=0, Total=110 [2022-01-10 04:16:03,754 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 549 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1541 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 1541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:03,755 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [549 Valid, 173 Invalid, 1811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 1541 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-10 04:16:03,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2022-01-10 04:16:03,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2022-01-10 04:16:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 454 states have (on average 1.3171806167400881) internal successors, (598), 454 states have internal predecessors, (598), 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 04:16:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 598 transitions. [2022-01-10 04:16:03,805 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 598 transitions. Word has length 100 [2022-01-10 04:16:03,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:03,805 INFO L470 AbstractCegarLoop]: Abstraction has 455 states and 598 transitions. [2022-01-10 04:16:03,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.0) internal successors, (100), 9 states have internal predecessors, (100), 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 04:16:03,806 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 598 transitions. [2022-01-10 04:16:03,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-01-10 04:16:03,809 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:03,810 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:03,817 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 04:16:04,010 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 04:16:04,011 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:04,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:04,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1411655433, now seen corresponding path program 1 times [2022-01-10 04:16:04,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:04,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [352950170] [2022-01-10 04:16:04,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:04,013 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:04,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:04,014 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 04:16:04,016 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 04:16:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:04,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-10 04:16:04,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:06,478 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:16:06,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:06,479 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:06,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [352950170] [2022-01-10 04:16:06,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [352950170] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:06,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:06,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 04:16:06,480 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133973499] [2022-01-10 04:16:06,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:06,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 04:16:06,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:06,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 04:16:06,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:16:06,482 INFO L87 Difference]: Start difference. First operand 455 states and 598 transitions. Second operand has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 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 04:16:07,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:07,463 INFO L93 Difference]: Finished difference Result 1052 states and 1486 transitions. [2022-01-10 04:16:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-10 04:16:07,464 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 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 104 [2022-01-10 04:16:07,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:07,467 INFO L225 Difference]: With dead ends: 1052 [2022-01-10 04:16:07,467 INFO L226 Difference]: Without dead ends: 788 [2022-01-10 04:16:07,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:16:07,471 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 253 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 1092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:07,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 76 Invalid, 1092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-10 04:16:07,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2022-01-10 04:16:07,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 782. [2022-01-10 04:16:07,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 781 states have (on average 1.290653008962868) internal successors, (1008), 781 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 04:16:07,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1008 transitions. [2022-01-10 04:16:07,500 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1008 transitions. Word has length 104 [2022-01-10 04:16:07,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:07,500 INFO L470 AbstractCegarLoop]: Abstraction has 782 states and 1008 transitions. [2022-01-10 04:16:07,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.4) internal successors, (104), 9 states have internal predecessors, (104), 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 04:16:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1008 transitions. [2022-01-10 04:16:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-01-10 04:16:07,506 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:07,506 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:07,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-01-10 04:16:07,715 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 04:16:07,715 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:07,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:07,716 INFO L85 PathProgramCache]: Analyzing trace with hash -49119498, now seen corresponding path program 1 times [2022-01-10 04:16:07,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:07,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647417845] [2022-01-10 04:16:07,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:07,718 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:07,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:07,719 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 04:16:07,719 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 04:16:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:07,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:16:07,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:16:07,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:07,938 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:07,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647417845] [2022-01-10 04:16:07,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647417845] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:07,939 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:07,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:07,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715949147] [2022-01-10 04:16:07,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:07,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:07,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:07,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:07,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:07,942 INFO L87 Difference]: Start difference. First operand 782 states and 1008 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 04:16:08,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:08,359 INFO L93 Difference]: Finished difference Result 1766 states and 2315 transitions. [2022-01-10 04:16:08,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:08,367 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 119 [2022-01-10 04:16:08,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:08,372 INFO L225 Difference]: With dead ends: 1766 [2022-01-10 04:16:08,372 INFO L226 Difference]: Without dead ends: 1175 [2022-01-10 04:16:08,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 117 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 04:16:08,374 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 127 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:08,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 187 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:16:08,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2022-01-10 04:16:08,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1044. [2022-01-10 04:16:08,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1043 states have (on average 1.2464046021093) internal successors, (1300), 1043 states have internal predecessors, (1300), 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 04:16:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1300 transitions. [2022-01-10 04:16:08,394 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1300 transitions. Word has length 119 [2022-01-10 04:16:08,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:08,395 INFO L470 AbstractCegarLoop]: Abstraction has 1044 states and 1300 transitions. [2022-01-10 04:16:08,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 04:16:08,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1300 transitions. [2022-01-10 04:16:08,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-01-10 04:16:08,398 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:08,399 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:08,409 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-01-10 04:16:08,607 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 04:16:08,607 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:08,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:08,608 INFO L85 PathProgramCache]: Analyzing trace with hash -705285296, now seen corresponding path program 1 times [2022-01-10 04:16:08,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:08,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368399580] [2022-01-10 04:16:08,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:08,610 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:08,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:08,611 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 04:16:08,613 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 04:16:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:08,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:16:08,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-10 04:16:08,882 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:08,882 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:08,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368399580] [2022-01-10 04:16:08,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1368399580] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:08,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:08,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:08,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021467951] [2022-01-10 04:16:08,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:08,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:08,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:08,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:08,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:08,884 INFO L87 Difference]: Start difference. First operand 1044 states and 1300 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 04:16:09,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:09,322 INFO L93 Difference]: Finished difference Result 2028 states and 2535 transitions. [2022-01-10 04:16:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:09,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 135 [2022-01-10 04:16:09,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:09,327 INFO L225 Difference]: With dead ends: 2028 [2022-01-10 04:16:09,327 INFO L226 Difference]: Without dead ends: 1175 [2022-01-10 04:16:09,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 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 04:16:09,329 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 160 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:09,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 29 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:16:09,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2022-01-10 04:16:09,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1044. [2022-01-10 04:16:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1043 states have (on average 1.211888782358581) internal successors, (1264), 1043 states have internal predecessors, (1264), 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 04:16:09,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1264 transitions. [2022-01-10 04:16:09,348 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1264 transitions. Word has length 135 [2022-01-10 04:16:09,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:09,348 INFO L470 AbstractCegarLoop]: Abstraction has 1044 states and 1264 transitions. [2022-01-10 04:16:09,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 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 04:16:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1264 transitions. [2022-01-10 04:16:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-01-10 04:16:09,351 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:09,351 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:09,365 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 04:16:09,560 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 04:16:09,560 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:09,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:09,561 INFO L85 PathProgramCache]: Analyzing trace with hash -228980141, now seen corresponding path program 1 times [2022-01-10 04:16:09,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:09,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935378488] [2022-01-10 04:16:09,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:09,562 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:09,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:09,563 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 04:16:09,564 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 04:16:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:09,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:09,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-01-10 04:16:09,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:09,862 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:09,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935378488] [2022-01-10 04:16:09,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935378488] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:09,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:09,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 04:16:09,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534382134] [2022-01-10 04:16:09,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:09,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:09,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:09,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:09,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:09,872 INFO L87 Difference]: Start difference. First operand 1044 states and 1264 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 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 04:16:10,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:10,293 INFO L93 Difference]: Finished difference Result 2290 states and 2767 transitions. [2022-01-10 04:16:10,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:10,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 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 146 [2022-01-10 04:16:10,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:10,298 INFO L225 Difference]: With dead ends: 2290 [2022-01-10 04:16:10,298 INFO L226 Difference]: Without dead ends: 1306 [2022-01-10 04:16:10,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 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 04:16:10,300 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 130 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:10,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 62 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:16:10,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2022-01-10 04:16:10,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1175. [2022-01-10 04:16:10,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1174 states have (on average 1.114991482112436) internal successors, (1309), 1174 states have internal predecessors, (1309), 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 04:16:10,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1309 transitions. [2022-01-10 04:16:10,323 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1309 transitions. Word has length 146 [2022-01-10 04:16:10,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:10,324 INFO L470 AbstractCegarLoop]: Abstraction has 1175 states and 1309 transitions. [2022-01-10 04:16:10,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 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 04:16:10,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1309 transitions. [2022-01-10 04:16:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-01-10 04:16:10,326 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:10,327 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 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, 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 04:16:10,338 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 04:16:10,531 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 04:16:10,532 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:10,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:10,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1958525782, now seen corresponding path program 1 times [2022-01-10 04:16:10,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:10,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482362259] [2022-01-10 04:16:10,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:10,533 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:10,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:10,534 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 04:16:10,539 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 04:16:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:10,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:10,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:10,915 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-10 04:16:10,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:10,916 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:10,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482362259] [2022-01-10 04:16:10,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482362259] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:10,917 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:10,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 04:16:10,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467002699] [2022-01-10 04:16:10,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:10,917 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:10,917 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:10,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:10,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:10,918 INFO L87 Difference]: Start difference. First operand 1175 states and 1309 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 04:16:11,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:11,241 INFO L93 Difference]: Finished difference Result 2552 states and 2838 transitions. [2022-01-10 04:16:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:11,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 168 [2022-01-10 04:16:11,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:11,246 INFO L225 Difference]: With dead ends: 2552 [2022-01-10 04:16:11,246 INFO L226 Difference]: Without dead ends: 1306 [2022-01-10 04:16:11,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 166 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 04:16:11,248 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 104 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:11,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 43 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:16:11,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2022-01-10 04:16:11,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1306. [2022-01-10 04:16:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1306 states, 1305 states have (on average 1.1088122605363984) internal successors, (1447), 1305 states have internal predecessors, (1447), 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 04:16:11,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 1447 transitions. [2022-01-10 04:16:11,269 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 1447 transitions. Word has length 168 [2022-01-10 04:16:11,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:11,269 INFO L470 AbstractCegarLoop]: Abstraction has 1306 states and 1447 transitions. [2022-01-10 04:16:11,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 04:16:11,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 1447 transitions. [2022-01-10 04:16:11,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-01-10 04:16:11,272 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:11,272 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:11,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-01-10 04:16:11,481 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 04:16:11,482 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:11,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:11,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1326577281, now seen corresponding path program 1 times [2022-01-10 04:16:11,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:11,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634950546] [2022-01-10 04:16:11,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:11,483 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:11,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:11,484 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 04:16:11,485 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 04:16:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:11,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:11,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-01-10 04:16:11,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:11,837 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:11,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634950546] [2022-01-10 04:16:11,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634950546] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:11,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:11,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:11,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319537449] [2022-01-10 04:16:11,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:11,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:11,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:11,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:11,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:11,839 INFO L87 Difference]: Start difference. First operand 1306 states and 1447 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 04:16:12,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:12,174 INFO L93 Difference]: Finished difference Result 3338 states and 3717 transitions. [2022-01-10 04:16:12,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:12,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 189 [2022-01-10 04:16:12,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:12,180 INFO L225 Difference]: With dead ends: 3338 [2022-01-10 04:16:12,180 INFO L226 Difference]: Without dead ends: 2092 [2022-01-10 04:16:12,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 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 04:16:12,182 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 130 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:12,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 108 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:16:12,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2092 states. [2022-01-10 04:16:12,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2092 to 2092. [2022-01-10 04:16:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2092 states, 2091 states have (on average 1.096126255380201) internal successors, (2292), 2091 states have internal predecessors, (2292), 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 04:16:12,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2092 states to 2092 states and 2292 transitions. [2022-01-10 04:16:12,216 INFO L78 Accepts]: Start accepts. Automaton has 2092 states and 2292 transitions. Word has length 189 [2022-01-10 04:16:12,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:12,216 INFO L470 AbstractCegarLoop]: Abstraction has 2092 states and 2292 transitions. [2022-01-10 04:16:12,217 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 04:16:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 2292 transitions. [2022-01-10 04:16:12,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-01-10 04:16:12,221 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:12,221 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:16:12,230 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 04:16:12,430 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 04:16:12,430 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:12,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:12,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1676146242, now seen corresponding path program 1 times [2022-01-10 04:16:12,433 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:12,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111725890] [2022-01-10 04:16:12,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:12,434 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:12,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:12,435 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 04:16:12,437 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 04:16:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:12,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:12,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-10 04:16:12,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:12,848 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:12,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111725890] [2022-01-10 04:16:12,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111725890] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:12,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:12,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:12,849 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823895456] [2022-01-10 04:16:12,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:12,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:16:12,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:12,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:16:12,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:16:12,850 INFO L87 Difference]: Start difference. First operand 2092 states and 2292 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 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 04:16:13,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:13,368 INFO L93 Difference]: Finished difference Result 4648 states and 5092 transitions. [2022-01-10 04:16:13,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 04:16:13,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 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 210 [2022-01-10 04:16:13,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:13,375 INFO L225 Difference]: With dead ends: 4648 [2022-01-10 04:16:13,375 INFO L226 Difference]: Without dead ends: 2485 [2022-01-10 04:16:13,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:16:13,378 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 239 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:13,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 37 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 04:16:13,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2022-01-10 04:16:13,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2223. [2022-01-10 04:16:13,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 2222 states have (on average 1.093159315931593) internal successors, (2429), 2222 states have internal predecessors, (2429), 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 04:16:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 2429 transitions. [2022-01-10 04:16:13,408 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 2429 transitions. Word has length 210 [2022-01-10 04:16:13,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:13,409 INFO L470 AbstractCegarLoop]: Abstraction has 2223 states and 2429 transitions. [2022-01-10 04:16:13,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 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 04:16:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2429 transitions. [2022-01-10 04:16:13,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-01-10 04:16:13,413 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:13,413 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2022-01-10 04:16:13,425 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 04:16:13,622 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 04:16:13,623 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:13,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:13,623 INFO L85 PathProgramCache]: Analyzing trace with hash -65266095, now seen corresponding path program 1 times [2022-01-10 04:16:13,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:13,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1899559914] [2022-01-10 04:16:13,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:13,624 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:13,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:13,625 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 04:16:13,626 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 04:16:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:13,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 04:16:13,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:14,682 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 196 proven. 8 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-01-10 04:16:14,682 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:16:16,220 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 168 proven. 36 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-01-10 04:16:16,220 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:16,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1899559914] [2022-01-10 04:16:16,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1899559914] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:16:16,221 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:16:16,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 04:16:16,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837599875] [2022-01-10 04:16:16,221 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:16:16,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 04:16:16,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:16,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 04:16:16,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 04:16:16,222 INFO L87 Difference]: Start difference. First operand 2223 states and 2429 transitions. Second operand has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 6 states have internal predecessors, (254), 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 04:16:17,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:17,773 INFO L93 Difference]: Finished difference Result 5476 states and 5932 transitions. [2022-01-10 04:16:17,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 04:16:17,773 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 6 states have internal predecessors, (254), 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 228 [2022-01-10 04:16:17,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:17,780 INFO L225 Difference]: With dead ends: 5476 [2022-01-10 04:16:17,780 INFO L226 Difference]: Without dead ends: 3313 [2022-01-10 04:16:17,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-01-10 04:16:17,784 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 932 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 1508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:17,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [932 Valid, 163 Invalid, 1508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-01-10 04:16:17,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2022-01-10 04:16:17,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 2223. [2022-01-10 04:16:17,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 2222 states have (on average 1.093159315931593) internal successors, (2429), 2222 states have internal predecessors, (2429), 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 04:16:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 2429 transitions. [2022-01-10 04:16:17,820 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 2429 transitions. Word has length 228 [2022-01-10 04:16:17,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:17,820 INFO L470 AbstractCegarLoop]: Abstraction has 2223 states and 2429 transitions. [2022-01-10 04:16:17,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 6 states have internal predecessors, (254), 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 04:16:17,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2429 transitions. [2022-01-10 04:16:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-01-10 04:16:17,825 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:17,825 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 04:16:17,836 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 04:16:18,034 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 04:16:18,034 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:18,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:18,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2117515480, now seen corresponding path program 1 times [2022-01-10 04:16:18,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:18,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191612244] [2022-01-10 04:16:18,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:18,036 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:18,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:18,036 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 04:16:18,038 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 04:16:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:18,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:18,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:18,446 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-01-10 04:16:18,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:18,447 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:18,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191612244] [2022-01-10 04:16:18,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191612244] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:18,447 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:18,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:18,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030260187] [2022-01-10 04:16:18,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:18,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:16:18,448 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:18,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:16:18,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:16:18,448 INFO L87 Difference]: Start difference. First operand 2223 states and 2429 transitions. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 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 04:16:18,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:18,932 INFO L93 Difference]: Finished difference Result 4648 states and 5066 transitions. [2022-01-10 04:16:18,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 04:16:18,932 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 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 250 [2022-01-10 04:16:18,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:18,937 INFO L225 Difference]: With dead ends: 4648 [2022-01-10 04:16:18,938 INFO L226 Difference]: Without dead ends: 2485 [2022-01-10 04:16:18,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:16:18,940 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 226 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:18,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 32 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 04:16:18,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2485 states. [2022-01-10 04:16:18,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2485 to 2223. [2022-01-10 04:16:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 2222 states have (on average 1.0778577857785778) internal successors, (2395), 2222 states have internal predecessors, (2395), 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 04:16:18,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 2395 transitions. [2022-01-10 04:16:18,973 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 2395 transitions. Word has length 250 [2022-01-10 04:16:18,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:18,974 INFO L470 AbstractCegarLoop]: Abstraction has 2223 states and 2395 transitions. [2022-01-10 04:16:18,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 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 04:16:18,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2395 transitions. [2022-01-10 04:16:18,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-01-10 04:16:18,978 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:18,979 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 04:16:18,988 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 04:16:19,187 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 04:16:19,188 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:19,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:19,188 INFO L85 PathProgramCache]: Analyzing trace with hash -501268166, now seen corresponding path program 1 times [2022-01-10 04:16:19,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:19,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88903582] [2022-01-10 04:16:19,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:19,189 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:19,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:19,191 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 04:16:19,192 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 04:16:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:19,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:16:19,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-01-10 04:16:19,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:19,611 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:19,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88903582] [2022-01-10 04:16:19,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88903582] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:19,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:19,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:19,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043814328] [2022-01-10 04:16:19,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:19,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:19,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:19,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:19,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:19,612 INFO L87 Difference]: Start difference. First operand 2223 states and 2395 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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 04:16:19,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:19,997 INFO L93 Difference]: Finished difference Result 4517 states and 4873 transitions. [2022-01-10 04:16:19,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:19,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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) Word has length 259 [2022-01-10 04:16:19,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:20,003 INFO L225 Difference]: With dead ends: 4517 [2022-01-10 04:16:20,003 INFO L226 Difference]: Without dead ends: 2354 [2022-01-10 04:16:20,005 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 257 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 04:16:20,005 INFO L933 BasicCegarLoop]: 103 mSDtfsCounter, 117 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:20,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 107 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:16:20,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2022-01-10 04:16:20,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 2354. [2022-01-10 04:16:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2354 states, 2353 states have (on average 1.0722481937951551) internal successors, (2523), 2353 states have internal predecessors, (2523), 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 04:16:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2354 states to 2354 states and 2523 transitions. [2022-01-10 04:16:20,035 INFO L78 Accepts]: Start accepts. Automaton has 2354 states and 2523 transitions. Word has length 259 [2022-01-10 04:16:20,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:20,035 INFO L470 AbstractCegarLoop]: Abstraction has 2354 states and 2523 transitions. [2022-01-10 04:16:20,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 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 04:16:20,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2523 transitions. [2022-01-10 04:16:20,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-01-10 04:16:20,040 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:16:20,041 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 04:16:20,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-01-10 04:16:20,250 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 04:16:20,250 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:16:20,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:16:20,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1888352483, now seen corresponding path program 1 times [2022-01-10 04:16:20,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:16:20,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267332465] [2022-01-10 04:16:20,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:16:20,252 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:16:20,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:16:20,253 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 04:16:20,254 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 04:16:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:16:20,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:16:20,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:16:20,649 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-01-10 04:16:20,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:16:20,649 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:16:20,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267332465] [2022-01-10 04:16:20,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267332465] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:16:20,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:16:20,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:16:20,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641107891] [2022-01-10 04:16:20,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:16:20,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:16:20,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:16:20,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:16:20,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:16:20,651 INFO L87 Difference]: Start difference. First operand 2354 states and 2523 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 04:16:20,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:16:20,993 INFO L93 Difference]: Finished difference Result 4122 states and 4416 transitions. [2022-01-10 04:16:20,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:16:20,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 273 [2022-01-10 04:16:20,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:16:20,994 INFO L225 Difference]: With dead ends: 4122 [2022-01-10 04:16:20,994 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 04:16:20,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 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 04:16:20,996 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 109 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:16:20,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 167 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:16:20,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 04:16:20,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 04:16:20,997 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 04:16:20,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 04:16:20,997 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2022-01-10 04:16:20,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:16:20,997 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 04:16:20,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 04:16:20,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 04:16:20,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 04:16:20,999 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:16:21,007 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 04:16:21,200 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 04:16:21,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-01-10 04:16:22,027 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-01-10 04:16:22,028 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-01-10 04:16:22,029 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,029 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,029 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,029 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,029 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,029 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-01-10 04:16:22,029 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,029 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-01-10 04:16:22,029 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-01-10 04:16:22,030 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-01-10 04:16:22,030 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-01-10 04:16:22,030 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-01-10 04:16:22,030 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-01-10 04:16:22,030 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-01-10 04:16:22,030 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-01-10 04:16:22,030 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-01-10 04:16:22,031 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-01-10 04:16:22,031 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-01-10 04:16:22,031 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-01-10 04:16:22,031 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-01-10 04:16:22,031 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-01-10 04:16:22,031 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,031 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,035 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,035 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,035 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,035 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,035 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-01-10 04:16:22,035 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-01-10 04:16:22,035 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,036 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,037 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-01-10 04:16:22,038 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-01-10 04:16:22,039 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-01-10 04:16:22,039 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-01-10 04:16:22,039 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-01-10 04:16:22,039 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-01-10 04:16:22,039 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,039 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,039 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,040 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,040 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,040 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 04:16:22,040 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-01-10 04:16:22,040 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-01-10 04:16:22,040 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse5 (= (_ bv5 32) ~a16~0))) (let ((.cse6 (not (= (_ bv8 32) ~a12~0))) (.cse7 (not (= (_ bv1 32) ~a17~0))) (.cse8 (and (not (= (_ bv6 32) ~a16~0)) (not .cse5)))) (let ((.cse4 (or .cse6 .cse7 .cse8)) (.cse10 (= ~a7~0 (_ bv0 32))) (.cse9 (= ~a8~0 (_ bv13 32)))) (let ((.cse3 (= ~a7~0 (_ bv1 32))) (.cse0 (= (_ bv4 32) ~a16~0)) (.cse1 (or (and .cse4 .cse9) (and .cse10 .cse9))) (.cse2 (= (_ bv1 32) ~a21~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse2) (and (or .cse6 .cse7 .cse8 (not .cse2)) .cse3 .cse9) (and .cse3 .cse0 .cse2) (and (= (_ bv1 32) ~a20~0) .cse1 .cse2) (and .cse10 .cse2)))))) [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,041 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,042 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,043 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-01-10 04:16:22,044 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse5 (= (_ bv5 32) ~a16~0))) (let ((.cse6 (not (= (_ bv8 32) ~a12~0))) (.cse7 (not (= (_ bv1 32) ~a17~0))) (.cse8 (and (not (= (_ bv6 32) ~a16~0)) (not .cse5)))) (let ((.cse4 (or .cse6 .cse7 .cse8)) (.cse10 (= ~a7~0 (_ bv0 32))) (.cse9 (= ~a8~0 (_ bv13 32)))) (let ((.cse3 (= ~a7~0 (_ bv1 32))) (.cse0 (= (_ bv4 32) ~a16~0)) (.cse1 (or (and .cse4 .cse9) (and .cse10 .cse9))) (.cse2 (= (_ bv1 32) ~a21~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse2) (and (or .cse6 .cse7 .cse8 (not .cse2)) .cse3 .cse9) (and .cse3 .cse0 .cse2) (and (= (_ bv1 32) ~a20~0) .cse1 .cse2) (and .cse10 .cse2)))))) [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 486) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-01-10 04:16:22,045 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-01-10 04:16:22,046 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-01-10 04:16:22,051 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:16:22,052 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:16:22,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:16:22 BoogieIcfgContainer [2022-01-10 04:16:22,075 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:16:22,076 INFO L158 Benchmark]: Toolchain (without parser) took 29422.85ms. Allocated memory was 175.1MB in the beginning and 219.2MB in the end (delta: 44.0MB). Free memory was 116.4MB in the beginning and 81.7MB in the end (delta: 34.7MB). Peak memory consumption was 112.3MB. Max. memory is 8.0GB. [2022-01-10 04:16:22,076 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:16:22,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.52ms. Allocated memory was 175.1MB in the beginning and 219.2MB in the end (delta: 44.0MB). Free memory was 116.3MB in the beginning and 173.4MB in the end (delta: -57.1MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. [2022-01-10 04:16:22,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.73ms. Allocated memory is still 219.2MB. Free memory was 173.4MB in the beginning and 167.7MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 04:16:22,077 INFO L158 Benchmark]: Boogie Preprocessor took 48.46ms. Allocated memory is still 219.2MB. Free memory was 167.7MB in the beginning and 163.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 04:16:22,077 INFO L158 Benchmark]: RCFGBuilder took 1003.88ms. Allocated memory is still 219.2MB. Free memory was 163.0MB in the beginning and 102.2MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2022-01-10 04:16:22,077 INFO L158 Benchmark]: TraceAbstraction took 27766.79ms. Allocated memory is still 219.2MB. Free memory was 101.7MB in the beginning and 81.7MB in the end (delta: 19.9MB). Peak memory consumption was 53.6MB. Max. memory is 8.0GB. [2022-01-10 04:16:22,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory is still 134.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 508.52ms. Allocated memory was 175.1MB in the beginning and 219.2MB in the end (delta: 44.0MB). Free memory was 116.3MB in the beginning and 173.4MB in the end (delta: -57.1MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 89.73ms. Allocated memory is still 219.2MB. Free memory was 173.4MB in the beginning and 167.7MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.46ms. Allocated memory is still 219.2MB. Free memory was 167.7MB in the beginning and 163.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1003.88ms. Allocated memory is still 219.2MB. Free memory was 163.0MB in the beginning and 102.2MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. * TraceAbstraction took 27766.79ms. Allocated memory is still 219.2MB. Free memory was 101.7MB in the beginning and 81.7MB in the end (delta: 19.9MB). Peak memory consumption was 53.6MB. 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: 486]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.7s, OverallIterations: 12, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3076 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3076 mSDsluCounter, 1184 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 229 mSDsCounter, 746 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7226 IncrementalHoareTripleChecker+Invalid, 7972 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 746 mSolverCounterUnsat, 955 mSDtfsCounter, 7226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2405 GetRequests, 2364 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2354occurred in iteration=11, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 2013 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 42 NumberOfFragments, 299 HoareAnnotationTreeSize, 3 FomulaSimplifications, 624 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 7142 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 2181 NumberOfCodeBlocks, 2181 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2396 ConstructedInterpolants, 0 QuantifiedInterpolants, 15944 SizeOfPredicates, 17 NumberOfNonLiveVariables, 3224 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 2362/2406 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: 593]: Loop Invariant Derived loop invariant: ((((((4bv32 == a16 && ((((!(8bv32 == a12) || !(1bv32 == a17)) || (!(6bv32 == a16) && !(5bv32 == a16))) && a8 == 13bv32) || (a7 == 0bv32 && a8 == 13bv32))) && 1bv32 == a21) || (((a7 == 1bv32 && ((!(8bv32 == a12) || !(1bv32 == a17)) || (!(6bv32 == a16) && !(5bv32 == a16)))) && 5bv32 == a16) && 1bv32 == a21)) || (((((!(8bv32 == a12) || !(1bv32 == a17)) || (!(6bv32 == a16) && !(5bv32 == a16))) || !(1bv32 == a21)) && a7 == 1bv32) && a8 == 13bv32)) || ((a7 == 1bv32 && 4bv32 == a16) && 1bv32 == a21)) || ((1bv32 == a20 && ((((!(8bv32 == a12) || !(1bv32 == a17)) || (!(6bv32 == a16) && !(5bv32 == a16))) && a8 == 13bv32) || (a7 == 0bv32 && a8 == 13bv32))) && 1bv32 == a21)) || (a7 == 0bv32 && 1bv32 == a21) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((4bv32 == a16 && ((((!(8bv32 == a12) || !(1bv32 == a17)) || (!(6bv32 == a16) && !(5bv32 == a16))) && a8 == 13bv32) || (a7 == 0bv32 && a8 == 13bv32))) && 1bv32 == a21) || (((a7 == 1bv32 && ((!(8bv32 == a12) || !(1bv32 == a17)) || (!(6bv32 == a16) && !(5bv32 == a16)))) && 5bv32 == a16) && 1bv32 == a21)) || (((((!(8bv32 == a12) || !(1bv32 == a17)) || (!(6bv32 == a16) && !(5bv32 == a16))) || !(1bv32 == a21)) && a7 == 1bv32) && a8 == 13bv32)) || ((a7 == 1bv32 && 4bv32 == a16) && 1bv32 == a21)) || ((1bv32 == a20 && ((((!(8bv32 == a12) || !(1bv32 == a17)) || (!(6bv32 == a16) && !(5bv32 == a16))) && a8 == 13bv32) || (a7 == 0bv32 && a8 == 13bv32))) && 1bv32 == a21)) || (a7 == 0bv32 && 1bv32 == a21) RESULT: Ultimate proved your program to be correct! [2022-01-10 04:16:22,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...