/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_label55.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 04:17:07,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 04:17:07,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 04:17:07,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-10 04:17:07,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 04:17:07,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 04:17:07,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 04:17:07,398 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 04:17:07,427 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 04:17:07,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 04:17:07,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 04:17:07,428 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 04:17:07,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-10 04:17:07,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-10 04:17:07,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 04:17:07,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 04:17:07,429 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 04:17:07,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 04:17:07,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 04:17:07,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 04:17:07,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 04:17:07,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 04:17:07,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 04:17:07,430 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 04:17:07,431 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 04:17:07,431 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 04:17:07,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 04:17:07,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 04:17:07,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 04:17:07,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 04:17:07,431 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 04:17:07,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:17:07,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 04:17:07,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 04:17:07,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 04:17:07,433 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-01-10 04:17:07,433 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-01-10 04:17:07,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 04:17:07,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 04:17:07,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 04:17:07,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 04:17:07,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 04:17:07,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 04:17:07,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 04:17:07,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 04:17:07,676 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 04:17:07,676 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 04:17:07,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2022-01-10 04:17:07,728 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c375607/a46c8cb8d7d544b9bb3410a06aa44c73/FLAGdd5355ceb [2022-01-10 04:17:08,095 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 04:17:08,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label55.c [2022-01-10 04:17:08,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c375607/a46c8cb8d7d544b9bb3410a06aa44c73/FLAGdd5355ceb [2022-01-10 04:17:08,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93c375607/a46c8cb8d7d544b9bb3410a06aa44c73 [2022-01-10 04:17:08,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 04:17:08,467 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-10 04:17:08,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 04:17:08,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 04:17:08,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 04:17:08,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:08,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@729bc9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08, skipping insertion in model container [2022-01-10 04:17:08,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:08,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 04:17:08,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 04:17:08,794 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_label55.c[19349,19362] [2022-01-10 04:17:08,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:17:08,832 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 04:17:08,933 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_label55.c[19349,19362] [2022-01-10 04:17:08,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 04:17:08,973 INFO L208 MainTranslator]: Completed translation [2022-01-10 04:17:08,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08 WrapperNode [2022-01-10 04:17:08,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 04:17:08,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 04:17:08,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 04:17:08,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 04:17:08,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:08,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:09,053 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2022-01-10 04:17:09,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 04:17:09,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 04:17:09,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 04:17:09,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 04:17:09,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:09,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:09,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:09,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:09,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:09,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:09,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:09,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 04:17:09,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 04:17:09,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 04:17:09,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 04:17:09,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (1/1) ... [2022-01-10 04:17:09,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 04:17:09,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 04:17:09,155 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 04:17:09,168 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 04:17:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 04:17:09,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 04:17:09,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 04:17:09,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 04:17:09,275 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 04:17:09,276 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 04:17:10,253 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 04:17:10,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 04:17:10,263 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 04:17:10,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:17:10 BoogieIcfgContainer [2022-01-10 04:17:10,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 04:17:10,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 04:17:10,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 04:17:10,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 04:17:10,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 04:17:08" (1/3) ... [2022-01-10 04:17:10,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c6bae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:17:10, skipping insertion in model container [2022-01-10 04:17:10,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 04:17:08" (2/3) ... [2022-01-10 04:17:10,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c6bae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 04:17:10, skipping insertion in model container [2022-01-10 04:17:10,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 04:17:10" (3/3) ... [2022-01-10 04:17:10,271 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label55.c [2022-01-10 04:17:10,275 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 04:17:10,275 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 04:17:10,311 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 04:17:10,316 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 04:17:10,317 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 04:17:10,333 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 04:17:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-01-10 04:17:10,342 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:10,342 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:17:10,343 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:10,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:10,346 INFO L85 PathProgramCache]: Analyzing trace with hash -568054802, now seen corresponding path program 1 times [2022-01-10 04:17:10,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:10,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999040278] [2022-01-10 04:17:10,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:10,362 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:10,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:10,367 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 04:17:10,367 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 04:17:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:10,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-10 04:17:10,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:16,106 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 04:17:16,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:16,107 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:16,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999040278] [2022-01-10 04:17:16,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [999040278] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:16,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:16,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-10 04:17:16,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330626960] [2022-01-10 04:17:16,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:16,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-01-10 04:17:16,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:16,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-01-10 04:17:16,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-01-10 04:17:16,135 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 11.1) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:17,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:17,840 INFO L93 Difference]: Finished difference Result 723 states and 1297 transitions. [2022-01-10 04:17:17,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 04:17:17,842 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-01-10 04:17:17,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:17,854 INFO L225 Difference]: With dead ends: 723 [2022-01-10 04:17:17,854 INFO L226 Difference]: Without dead ends: 455 [2022-01-10 04:17:17,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 102 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 04:17:17,860 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 523 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:17,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [523 Valid, 180 Invalid, 1776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-01-10 04:17:17,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2022-01-10 04:17:17,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2022-01-10 04:17:17,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 454 states have (on average 1.2929515418502202) internal successors, (587), 454 states have internal predecessors, (587), 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 04:17:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 587 transitions. [2022-01-10 04:17:17,914 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 587 transitions. Word has length 111 [2022-01-10 04:17:17,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:17,915 INFO L470 AbstractCegarLoop]: Abstraction has 455 states and 587 transitions. [2022-01-10 04:17:17,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.1) internal successors, (111), 9 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 587 transitions. [2022-01-10 04:17:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-01-10 04:17:17,919 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:17,920 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:17:17,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-01-10 04:17:18,130 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 04:17:18,131 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:18,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:18,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1100627638, now seen corresponding path program 1 times [2022-01-10 04:17:18,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:18,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709609935] [2022-01-10 04:17:18,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:18,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:18,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:18,134 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 04:17:18,139 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 04:17:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:18,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-10 04:17:18,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:21,569 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 04:17:21,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:21,569 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:21,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709609935] [2022-01-10 04:17:21,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [709609935] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:21,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:21,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-01-10 04:17:21,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621049393] [2022-01-10 04:17:21,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:21,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-10 04:17:21,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:21,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-10 04:17:21,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2022-01-10 04:17:21,573 INFO L87 Difference]: Start difference. First operand 455 states and 587 transitions. Second operand has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 10 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 04:17:23,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:23,550 INFO L93 Difference]: Finished difference Result 1447 states and 1990 transitions. [2022-01-10 04:17:23,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-10 04:17:23,550 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 10 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 115 [2022-01-10 04:17:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:23,555 INFO L225 Difference]: With dead ends: 1447 [2022-01-10 04:17:23,555 INFO L226 Difference]: Without dead ends: 1183 [2022-01-10 04:17:23,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2022-01-10 04:17:23,558 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 597 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 2230 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 2395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 2230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:23,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 107 Invalid, 2395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 2230 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-01-10 04:17:23,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-01-10 04:17:23,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 913. [2022-01-10 04:17:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 913 states, 912 states have (on average 1.2521929824561404) internal successors, (1142), 912 states have internal predecessors, (1142), 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 04:17:23,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1142 transitions. [2022-01-10 04:17:23,606 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1142 transitions. Word has length 115 [2022-01-10 04:17:23,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:23,607 INFO L470 AbstractCegarLoop]: Abstraction has 913 states and 1142 transitions. [2022-01-10 04:17:23,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.454545454545455) internal successors, (115), 10 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 04:17:23,607 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1142 transitions. [2022-01-10 04:17:23,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-01-10 04:17:23,613 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:23,613 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:17:23,626 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 04:17:23,821 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 04:17:23,822 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:23,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:23,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1297499899, now seen corresponding path program 1 times [2022-01-10 04:17:23,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:23,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732015725] [2022-01-10 04:17:23,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:23,824 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:23,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:23,826 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 04:17:23,829 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 04:17:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:23,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 8 conjunts are in the unsatisfiable core [2022-01-10 04:17:23,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:17:24,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:24,752 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:24,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732015725] [2022-01-10 04:17:24,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732015725] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:24,752 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:24,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 04:17:24,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220540563] [2022-01-10 04:17:24,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:24,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:17:24,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:24,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:17:24,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:17:24,755 INFO L87 Difference]: Start difference. First operand 913 states and 1142 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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 04:17:25,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:25,705 INFO L93 Difference]: Finished difference Result 2254 states and 2887 transitions. [2022-01-10 04:17:25,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:17:25,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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 118 [2022-01-10 04:17:25,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:25,711 INFO L225 Difference]: With dead ends: 2254 [2022-01-10 04:17:25,711 INFO L226 Difference]: Without dead ends: 1532 [2022-01-10 04:17:25,712 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:17:25,713 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 181 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:25,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 194 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-10 04:17:25,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2022-01-10 04:17:25,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1044. [2022-01-10 04:17:25,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 1043 states have (on average 1.2320230105465004) internal successors, (1285), 1043 states have internal predecessors, (1285), 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 04:17:25,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1285 transitions. [2022-01-10 04:17:25,741 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1285 transitions. Word has length 118 [2022-01-10 04:17:25,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:25,742 INFO L470 AbstractCegarLoop]: Abstraction has 1044 states and 1285 transitions. [2022-01-10 04:17:25,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 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 04:17:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1285 transitions. [2022-01-10 04:17:25,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-01-10 04:17:25,748 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:25,749 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:25,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-01-10 04:17:25,957 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 04:17:25,958 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:25,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:25,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1576425293, now seen corresponding path program 1 times [2022-01-10 04:17:25,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:25,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931568123] [2022-01-10 04:17:25,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:25,959 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:25,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:25,961 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 04:17:25,963 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 04:17:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:26,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:17:26,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:26,212 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:17:26,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:26,213 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:26,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931568123] [2022-01-10 04:17:26,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931568123] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:26,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:26,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:26,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425174951] [2022-01-10 04:17:26,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:26,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:17:26,217 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:26,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:17:26,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:17:26,218 INFO L87 Difference]: Start difference. First operand 1044 states and 1285 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 04:17:26,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:26,723 INFO L93 Difference]: Finished difference Result 2421 states and 3024 transitions. [2022-01-10 04:17:26,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:17:26,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 126 [2022-01-10 04:17:26,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:26,728 INFO L225 Difference]: With dead ends: 2421 [2022-01-10 04:17:26,728 INFO L226 Difference]: Without dead ends: 1437 [2022-01-10 04:17:26,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 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 04:17:26,730 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 134 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:26,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 62 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 04:17:26,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2022-01-10 04:17:26,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1437. [2022-01-10 04:17:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1436 states have (on average 1.1316155988857939) internal successors, (1625), 1436 states have internal predecessors, (1625), 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 04:17:26,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1625 transitions. [2022-01-10 04:17:26,754 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1625 transitions. Word has length 126 [2022-01-10 04:17:26,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:26,755 INFO L470 AbstractCegarLoop]: Abstraction has 1437 states and 1625 transitions. [2022-01-10 04:17:26,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 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 04:17:26,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1625 transitions. [2022-01-10 04:17:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-01-10 04:17:26,758 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:26,758 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:17:26,767 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 04:17:26,966 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 04:17:26,967 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:26,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:26,968 INFO L85 PathProgramCache]: Analyzing trace with hash 745216235, now seen corresponding path program 1 times [2022-01-10 04:17:26,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:26,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701870843] [2022-01-10 04:17:26,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:26,969 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:26,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:26,970 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 04:17:26,972 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 04:17:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:27,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:17:27,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:27,193 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:17:27,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:27,194 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:27,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701870843] [2022-01-10 04:17:27,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701870843] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:27,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:27,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:27,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110185935] [2022-01-10 04:17:27,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:27,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:17:27,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:27,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:17:27,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:17:27,196 INFO L87 Difference]: Start difference. First operand 1437 states and 1625 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 04:17:27,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:27,595 INFO L93 Difference]: Finished difference Result 3207 states and 3631 transitions. [2022-01-10 04:17:27,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:17:27,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 137 [2022-01-10 04:17:27,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:27,601 INFO L225 Difference]: With dead ends: 3207 [2022-01-10 04:17:27,601 INFO L226 Difference]: Without dead ends: 1830 [2022-01-10 04:17:27,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 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 04:17:27,603 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 118 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:27,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 27 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 04:17:27,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2022-01-10 04:17:27,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1568. [2022-01-10 04:17:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1567 states have (on average 1.1212507977026165) internal successors, (1757), 1567 states have internal predecessors, (1757), 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 04:17:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 1757 transitions. [2022-01-10 04:17:27,630 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 1757 transitions. Word has length 137 [2022-01-10 04:17:27,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:27,630 INFO L470 AbstractCegarLoop]: Abstraction has 1568 states and 1757 transitions. [2022-01-10 04:17:27,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 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 04:17:27,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 1757 transitions. [2022-01-10 04:17:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-01-10 04:17:27,633 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:27,633 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2022-01-10 04:17:27,645 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 04:17:27,842 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 04:17:27,842 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:27,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:27,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1937566081, now seen corresponding path program 1 times [2022-01-10 04:17:27,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:27,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117066221] [2022-01-10 04:17:27,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:27,844 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:27,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:27,845 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 04:17:27,845 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 04:17:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:27,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 04:17:27,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:28,378 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:17:28,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:28,379 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:28,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117066221] [2022-01-10 04:17:28,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117066221] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:28,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:28,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:28,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126558230] [2022-01-10 04:17:28,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:28,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:17:28,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:28,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:17:28,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:17:28,380 INFO L87 Difference]: Start difference. First operand 1568 states and 1757 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 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 04:17:28,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:28,882 INFO L93 Difference]: Finished difference Result 3109 states and 3480 transitions. [2022-01-10 04:17:28,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 04:17:28,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 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 04:17:28,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:28,886 INFO L225 Difference]: With dead ends: 3109 [2022-01-10 04:17:28,886 INFO L226 Difference]: Without dead ends: 1470 [2022-01-10 04:17:28,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 04:17:28,888 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 226 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:28,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 65 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 04:17:28,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2022-01-10 04:17:28,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 1437. [2022-01-10 04:17:28,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1436 states have (on average 1.1260445682451254) internal successors, (1617), 1436 states have internal predecessors, (1617), 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 04:17:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 1617 transitions. [2022-01-10 04:17:28,934 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 1617 transitions. Word has length 146 [2022-01-10 04:17:28,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:28,935 INFO L470 AbstractCegarLoop]: Abstraction has 1437 states and 1617 transitions. [2022-01-10 04:17:28,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 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 04:17:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1617 transitions. [2022-01-10 04:17:28,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-01-10 04:17:28,938 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:28,938 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2022-01-10 04:17:28,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-01-10 04:17:29,146 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 04:17:29,147 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:29,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:29,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1340948380, now seen corresponding path program 1 times [2022-01-10 04:17:29,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:29,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1028226067] [2022-01-10 04:17:29,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:29,149 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:29,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:29,150 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 04:17:29,150 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 04:17:29,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:29,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 16 conjunts are in the unsatisfiable core [2022-01-10 04:17:29,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:31,403 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 04:17:31,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:31,404 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:31,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1028226067] [2022-01-10 04:17:31,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1028226067] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:31,404 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:31,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-01-10 04:17:31,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014285819] [2022-01-10 04:17:31,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:31,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-01-10 04:17:31,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:31,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-01-10 04:17:31,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-01-10 04:17:31,406 INFO L87 Difference]: Start difference. First operand 1437 states and 1617 transitions. Second operand has 12 states, 12 states have (on average 15.25) internal successors, (183), 11 states have internal predecessors, (183), 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 04:17:32,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:32,375 INFO L93 Difference]: Finished difference Result 3000 states and 3391 transitions. [2022-01-10 04:17:32,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-10 04:17:32,376 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 11 states have internal predecessors, (183), 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 183 [2022-01-10 04:17:32,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:32,379 INFO L225 Difference]: With dead ends: 3000 [2022-01-10 04:17:32,379 INFO L226 Difference]: Without dead ends: 1606 [2022-01-10 04:17:32,381 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2022-01-10 04:17:32,382 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 540 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:32,382 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [540 Valid, 58 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-01-10 04:17:32,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2022-01-10 04:17:32,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1472. [2022-01-10 04:17:32,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1472 states, 1471 states have (on average 1.1216859279401767) internal successors, (1650), 1471 states have internal predecessors, (1650), 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 04:17:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 1650 transitions. [2022-01-10 04:17:32,404 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 1650 transitions. Word has length 183 [2022-01-10 04:17:32,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:32,404 INFO L470 AbstractCegarLoop]: Abstraction has 1472 states and 1650 transitions. [2022-01-10 04:17:32,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 15.25) internal successors, (183), 11 states have internal predecessors, (183), 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 04:17:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1650 transitions. [2022-01-10 04:17:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-01-10 04:17:32,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:32,408 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:17:32,419 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 04:17:32,617 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 04:17:32,617 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:32,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:32,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1288872293, now seen corresponding path program 1 times [2022-01-10 04:17:32,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:32,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702711605] [2022-01-10 04:17:32,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:32,619 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:32,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:32,620 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 04:17:32,622 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 04:17:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:32,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:17:32,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-01-10 04:17:33,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:33,013 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:33,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [702711605] [2022-01-10 04:17:33,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [702711605] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:33,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:33,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:33,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423924025] [2022-01-10 04:17:33,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:33,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:17:33,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:33,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:17:33,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:17:33,014 INFO L87 Difference]: Start difference. First operand 1472 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:33,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:33,574 INFO L93 Difference]: Finished difference Result 3801 states and 4304 transitions. [2022-01-10 04:17:33,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 04:17:33,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 216 [2022-01-10 04:17:33,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:33,579 INFO L225 Difference]: With dead ends: 3801 [2022-01-10 04:17:33,579 INFO L226 Difference]: Without dead ends: 2389 [2022-01-10 04:17:33,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 213 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 04:17:33,581 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 235 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:33,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 39 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 04:17:33,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2022-01-10 04:17:33,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 2127. [2022-01-10 04:17:33,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 2126 states have (on average 1.09689557855127) internal successors, (2332), 2126 states have internal predecessors, (2332), 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 04:17:33,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2332 transitions. [2022-01-10 04:17:33,609 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2332 transitions. Word has length 216 [2022-01-10 04:17:33,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:33,610 INFO L470 AbstractCegarLoop]: Abstraction has 2127 states and 2332 transitions. [2022-01-10 04:17:33,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.75) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 04:17:33,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2332 transitions. [2022-01-10 04:17:33,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-01-10 04:17:33,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:33,614 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1] [2022-01-10 04:17:33,623 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 04:17:33,823 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 04:17:33,823 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:33,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:33,824 INFO L85 PathProgramCache]: Analyzing trace with hash -2007275201, now seen corresponding path program 2 times [2022-01-10 04:17:33,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:33,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1601822671] [2022-01-10 04:17:33,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-10 04:17:33,825 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:33,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:33,826 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 04:17:33,826 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 04:17:33,916 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-10 04:17:33,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-10 04:17:33,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:17:33,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-01-10 04:17:34,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:34,281 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:34,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1601822671] [2022-01-10 04:17:34,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1601822671] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:34,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:34,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:34,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975182045] [2022-01-10 04:17:34,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:34,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:17:34,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:34,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:17:34,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:17:34,283 INFO L87 Difference]: Start difference. First operand 2127 states and 2332 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 3 states have internal predecessors, (164), 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 04:17:34,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:34,796 INFO L93 Difference]: Finished difference Result 4980 states and 5471 transitions. [2022-01-10 04:17:34,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 04:17:34,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 3 states have internal predecessors, (164), 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 04:17:34,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:34,801 INFO L225 Difference]: With dead ends: 4980 [2022-01-10 04:17:34,801 INFO L226 Difference]: Without dead ends: 2913 [2022-01-10 04:17:34,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 225 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 04:17:34,804 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 236 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:34,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 35 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 04:17:34,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2913 states. [2022-01-10 04:17:34,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2913 to 2651. [2022-01-10 04:17:34,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2651 states, 2650 states have (on average 1.0916981132075472) internal successors, (2893), 2650 states have internal predecessors, (2893), 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 04:17:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 2893 transitions. [2022-01-10 04:17:34,840 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 2893 transitions. Word has length 228 [2022-01-10 04:17:34,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:34,841 INFO L470 AbstractCegarLoop]: Abstraction has 2651 states and 2893 transitions. [2022-01-10 04:17:34,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 3 states have internal predecessors, (164), 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 04:17:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 2893 transitions. [2022-01-10 04:17:34,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-01-10 04:17:34,846 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:34,846 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 04:17:34,859 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 04:17:35,055 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 04:17:35,055 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:35,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:35,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1230670756, now seen corresponding path program 1 times [2022-01-10 04:17:35,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:35,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3945677] [2022-01-10 04:17:35,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:35,057 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:35,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:35,058 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 04:17:35,059 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 04:17:35,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:35,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 9 conjunts are in the unsatisfiable core [2022-01-10 04:17:35,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:36,197 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 244 proven. 8 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-01-10 04:17:36,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 04:17:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 216 proven. 36 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-01-10 04:17:37,798 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:37,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3945677] [2022-01-10 04:17:37,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3945677] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 04:17:37,798 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-10 04:17:37,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-01-10 04:17:37,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623697091] [2022-01-10 04:17:37,799 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-10 04:17:37,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-01-10 04:17:37,799 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:37,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-01-10 04:17:37,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-01-10 04:17:37,800 INFO L87 Difference]: Start difference. First operand 2651 states and 2893 transitions. Second operand has 7 states, 7 states have (on average 37.857142857142854) internal successors, (265), 6 states have internal predecessors, (265), 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 04:17:39,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:39,284 INFO L93 Difference]: Finished difference Result 6210 states and 6723 transitions. [2022-01-10 04:17:39,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-01-10 04:17:39,285 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 37.857142857142854) internal successors, (265), 6 states have internal predecessors, (265), 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 268 [2022-01-10 04:17:39,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:39,291 INFO L225 Difference]: With dead ends: 6210 [2022-01-10 04:17:39,291 INFO L226 Difference]: Without dead ends: 2322 [2022-01-10 04:17:39,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 529 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 04:17:39,294 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 1041 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1041 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 1674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:39,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1041 Valid, 176 Invalid, 1674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1603 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-01-10 04:17:39,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2022-01-10 04:17:39,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 1896. [2022-01-10 04:17:39,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1896 states, 1895 states have (on average 1.0823218997361477) internal successors, (2051), 1895 states have internal predecessors, (2051), 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 04:17:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2051 transitions. [2022-01-10 04:17:39,318 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2051 transitions. Word has length 268 [2022-01-10 04:17:39,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:39,319 INFO L470 AbstractCegarLoop]: Abstraction has 1896 states and 2051 transitions. [2022-01-10 04:17:39,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.857142857142854) internal successors, (265), 6 states have internal predecessors, (265), 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 04:17:39,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2051 transitions. [2022-01-10 04:17:39,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-01-10 04:17:39,324 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:39,324 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 04:17:39,335 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 04:17:39,532 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 04:17:39,532 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:39,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:39,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1154774697, now seen corresponding path program 1 times [2022-01-10 04:17:39,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:39,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996691483] [2022-01-10 04:17:39,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:39,534 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:39,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:39,535 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 04:17:39,536 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 04:17:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:39,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:17:39,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-01-10 04:17:40,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:40,080 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:40,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996691483] [2022-01-10 04:17:40,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996691483] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:40,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:40,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:40,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94193317] [2022-01-10 04:17:40,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:40,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 04:17:40,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:40,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 04:17:40,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 04:17:40,082 INFO L87 Difference]: Start difference. First operand 1896 states and 2051 transitions. Second operand has 4 states, 4 states have (on average 46.25) 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 04:17:40,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:40,572 INFO L93 Difference]: Finished difference Result 3863 states and 4177 transitions. [2022-01-10 04:17:40,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 04:17:40,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 46.25) 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 294 [2022-01-10 04:17:40,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:40,577 INFO L225 Difference]: With dead ends: 3863 [2022-01-10 04:17:40,577 INFO L226 Difference]: Without dead ends: 2027 [2022-01-10 04:17:40,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 291 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 04:17:40,579 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 213 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:40,579 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 40 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 04:17:40,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2022-01-10 04:17:40,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 1896. [2022-01-10 04:17:40,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1896 states, 1895 states have (on average 1.0770448548812666) internal successors, (2041), 1895 states have internal predecessors, (2041), 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 04:17:40,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 1896 states and 2041 transitions. [2022-01-10 04:17:40,602 INFO L78 Accepts]: Start accepts. Automaton has 1896 states and 2041 transitions. Word has length 294 [2022-01-10 04:17:40,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:40,602 INFO L470 AbstractCegarLoop]: Abstraction has 1896 states and 2041 transitions. [2022-01-10 04:17:40,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 46.25) 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 04:17:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2041 transitions. [2022-01-10 04:17:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-01-10 04:17:40,607 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:40,608 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 04:17:40,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-01-10 04:17:40,816 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 04:17:40,816 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:40,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:40,817 INFO L85 PathProgramCache]: Analyzing trace with hash 384376251, now seen corresponding path program 1 times [2022-01-10 04:17:40,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:40,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624824975] [2022-01-10 04:17:40,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:40,818 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:40,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:40,819 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 04:17:40,820 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 04:17:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:40,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:17:40,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:41,307 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-01-10 04:17:41,307 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:41,307 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:41,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624824975] [2022-01-10 04:17:41,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624824975] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:41,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:41,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:41,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509031506] [2022-01-10 04:17:41,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:41,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:17:41,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:41,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:17:41,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:17:41,308 INFO L87 Difference]: Start difference. First operand 1896 states and 2041 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 04:17:41,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:41,624 INFO L93 Difference]: Finished difference Result 3994 states and 4318 transitions. [2022-01-10 04:17:41,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:17:41,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 303 [2022-01-10 04:17:41,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:41,630 INFO L225 Difference]: With dead ends: 3994 [2022-01-10 04:17:41,630 INFO L226 Difference]: Without dead ends: 2158 [2022-01-10 04:17:41,632 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 301 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 04:17:41,632 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 115 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:41,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 119 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:17:41,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2022-01-10 04:17:41,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2027. [2022-01-10 04:17:41,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2027 states, 2026 states have (on average 1.0789733464955578) internal successors, (2186), 2026 states have internal predecessors, (2186), 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 04:17:41,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2186 transitions. [2022-01-10 04:17:41,658 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2186 transitions. Word has length 303 [2022-01-10 04:17:41,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:41,659 INFO L470 AbstractCegarLoop]: Abstraction has 2027 states and 2186 transitions. [2022-01-10 04:17:41,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 04:17:41,659 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2186 transitions. [2022-01-10 04:17:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-01-10 04:17:41,662 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:41,663 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 04:17:41,672 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 04:17:41,872 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 04:17:41,872 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:41,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:41,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1895950986, now seen corresponding path program 1 times [2022-01-10 04:17:41,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:41,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417398408] [2022-01-10 04:17:41,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:41,874 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:41,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:41,875 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:17:41,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-01-10 04:17:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:41,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:17:41,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:42,377 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-01-10 04:17:42,377 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:42,377 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:42,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417398408] [2022-01-10 04:17:42,378 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417398408] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:42,378 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:42,378 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:42,378 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199541075] [2022-01-10 04:17:42,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:42,378 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:17:42,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:42,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:17:42,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:17:42,379 INFO L87 Difference]: Start difference. First operand 2027 states and 2186 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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 04:17:42,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:42,732 INFO L93 Difference]: Finished difference Result 3994 states and 4312 transitions. [2022-01-10 04:17:42,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:17:42,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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 305 [2022-01-10 04:17:42,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:42,737 INFO L225 Difference]: With dead ends: 3994 [2022-01-10 04:17:42,737 INFO L226 Difference]: Without dead ends: 2027 [2022-01-10 04:17:42,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 303 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 04:17:42,739 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 115 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:42,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 118 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:17:42,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2027 states. [2022-01-10 04:17:42,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2027 to 2027. [2022-01-10 04:17:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2027 states, 2026 states have (on average 1.0720631786771964) internal successors, (2172), 2026 states have internal predecessors, (2172), 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 04:17:42,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 2172 transitions. [2022-01-10 04:17:42,762 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 2172 transitions. Word has length 305 [2022-01-10 04:17:42,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:42,762 INFO L470 AbstractCegarLoop]: Abstraction has 2027 states and 2172 transitions. [2022-01-10 04:17:42,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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 04:17:42,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2172 transitions. [2022-01-10 04:17:42,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-01-10 04:17:42,766 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:42,767 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 04:17:42,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-01-10 04:17:42,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:17:42,976 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:42,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:42,976 INFO L85 PathProgramCache]: Analyzing trace with hash -16193592, now seen corresponding path program 1 times [2022-01-10 04:17:42,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:42,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184850835] [2022-01-10 04:17:42,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:42,977 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:42,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:42,978 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:17:42,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-01-10 04:17:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:43,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 04:17:43,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-01-10 04:17:43,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:43,576 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:43,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184850835] [2022-01-10 04:17:43,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184850835] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:43,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:43,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:43,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305953347] [2022-01-10 04:17:43,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:43,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:17:43,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:43,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:17:43,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:17:43,577 INFO L87 Difference]: Start difference. First operand 2027 states and 2172 transitions. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 04:17:43,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:43,887 INFO L93 Difference]: Finished difference Result 4256 states and 4562 transitions. [2022-01-10 04:17:43,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:17:43,887 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 329 [2022-01-10 04:17:43,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:43,893 INFO L225 Difference]: With dead ends: 4256 [2022-01-10 04:17:43,893 INFO L226 Difference]: Without dead ends: 2289 [2022-01-10 04:17:43,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 327 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 04:17:43,895 INFO L933 BasicCegarLoop]: 172 mSDtfsCounter, 110 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:43,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 178 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:17:43,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2022-01-10 04:17:43,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 2289. [2022-01-10 04:17:43,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2289 states, 2288 states have (on average 1.0677447552447552) internal successors, (2443), 2288 states have internal predecessors, (2443), 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 04:17:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 2443 transitions. [2022-01-10 04:17:43,912 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 2443 transitions. Word has length 329 [2022-01-10 04:17:43,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:43,912 INFO L470 AbstractCegarLoop]: Abstraction has 2289 states and 2443 transitions. [2022-01-10 04:17:43,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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 04:17:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2443 transitions. [2022-01-10 04:17:43,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-01-10 04:17:43,916 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:43,916 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 04:17:43,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-01-10 04:17:44,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:17:44,125 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:44,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:44,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1490911906, now seen corresponding path program 1 times [2022-01-10 04:17:44,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:44,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120200558] [2022-01-10 04:17:44,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:44,127 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:44,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:44,127 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:17:44,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-01-10 04:17:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:44,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:17:44,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 377 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-01-10 04:17:44,630 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:44,630 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:44,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120200558] [2022-01-10 04:17:44,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1120200558] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:44,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:44,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:44,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188160361] [2022-01-10 04:17:44,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:44,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:17:44,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:44,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:17:44,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:17:44,631 INFO L87 Difference]: Start difference. First operand 2289 states and 2443 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 04:17:44,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:44,963 INFO L93 Difference]: Finished difference Result 5042 states and 5379 transitions. [2022-01-10 04:17:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:17:44,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 330 [2022-01-10 04:17:44,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:44,967 INFO L225 Difference]: With dead ends: 5042 [2022-01-10 04:17:44,967 INFO L226 Difference]: Without dead ends: 1896 [2022-01-10 04:17:44,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 328 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 04:17:44,970 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 99 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:44,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 160 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:17:44,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1896 states. [2022-01-10 04:17:44,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1896 to 1765. [2022-01-10 04:17:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1765 states, 1764 states have (on average 1.034580498866213) internal successors, (1825), 1764 states have internal predecessors, (1825), 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 04:17:44,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1765 states and 1825 transitions. [2022-01-10 04:17:44,986 INFO L78 Accepts]: Start accepts. Automaton has 1765 states and 1825 transitions. Word has length 330 [2022-01-10 04:17:44,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:44,987 INFO L470 AbstractCegarLoop]: Abstraction has 1765 states and 1825 transitions. [2022-01-10 04:17:44,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 04:17:44,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 1825 transitions. [2022-01-10 04:17:44,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-01-10 04:17:44,990 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 04:17:44,990 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2022-01-10 04:17:44,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-01-10 04:17:45,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:17:45,191 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 04:17:45,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 04:17:45,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1613512153, now seen corresponding path program 1 times [2022-01-10 04:17:45,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-01-10 04:17:45,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935824486] [2022-01-10 04:17:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 04:17:45,193 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-01-10 04:17:45,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-01-10 04:17:45,193 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-01-10 04:17:45,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-01-10 04:17:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 04:17:45,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 04:17:45,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 04:17:45,783 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 515 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2022-01-10 04:17:45,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 04:17:45,784 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-01-10 04:17:45,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935824486] [2022-01-10 04:17:45,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935824486] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 04:17:45,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 04:17:45,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 04:17:45,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867016127] [2022-01-10 04:17:45,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 04:17:45,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 04:17:45,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-01-10 04:17:45,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 04:17:45,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 04:17:45,785 INFO L87 Difference]: Start difference. First operand 1765 states and 1825 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 04:17:46,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 04:17:46,068 INFO L93 Difference]: Finished difference Result 2813 states and 2919 transitions. [2022-01-10 04:17:46,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 04:17:46,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 348 [2022-01-10 04:17:46,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 04:17:46,069 INFO L225 Difference]: With dead ends: 2813 [2022-01-10 04:17:46,069 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 04:17:46,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 346 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 04:17:46,071 INFO L933 BasicCegarLoop]: 143 mSDtfsCounter, 89 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 04:17:46,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 148 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 04:17:46,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 04:17:46,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 04:17:46,072 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 04:17:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 04:17:46,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 348 [2022-01-10 04:17:46,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 04:17:46,072 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 04:17:46,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 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 04:17:46,072 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 04:17:46,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 04:17:46,075 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 04:17:46,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-01-10 04:17:46,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-01-10 04:17:46,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 04:17:48,169 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-01-10 04:17:48,169 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-01-10 04:17:48,169 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-01-10 04:17:48,170 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-01-10 04:17:48,170 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-01-10 04:17:48,170 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-01-10 04:17:48,170 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-01-10 04:17:48,170 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-01-10 04:17:48,170 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-01-10 04:17:48,171 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-01-10 04:17:48,172 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-01-10 04:17:48,172 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-01-10 04:17:48,172 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-01-10 04:17:48,172 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-01-10 04:17:48,172 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-01-10 04:17:48,172 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-01-10 04:17:48,172 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,172 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,172 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-01-10 04:17:48,173 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,174 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-01-10 04:17:48,175 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-01-10 04:17:48,176 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse3 (= (_ bv8 32) ~a12~0)) (.cse8 (= (_ bv1 32) ~a17~0))) (let ((.cse4 (= ~a7~0 (_ bv1 32))) (.cse7 (= (_ bv4 32) ~a16~0)) (.cse1 (or (not .cse3) (not .cse8))) (.cse6 (= (_ bv4 32) |ULTIMATE.start_calculate_output_~input#1|)) (.cse5 (= ~a8~0 (_ bv15 32))) (.cse10 (= (_ bv0 32) ~a20~0)) (.cse2 (= (_ bv5 32) ~a16~0)) (.cse0 (= (_ bv1 32) ~a20~0)) (.cse11 (= ~a7~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) ~a21~0))) (or (and (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (not .cse4) (= (_ bv6 32) ~a16~0) .cse5 (not .cse6) .cse1) (and .cse7 .cse8)) .cse9) (and .cse0 .cse4 .cse7 (= ~a8~0 (_ bv13 32)) .cse9) (and .cse10 .cse2 .cse9) (and .cse10 .cse1 .cse9) (and .cse5 .cse10 .cse11 .cse9) (and (or (= (_ bv1 32) |ULTIMATE.start_calculate_output_~input#1|) .cse6 (= (_ bv2 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv5 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv3 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv6 32) |ULTIMATE.start_calculate_output_~input#1|)) .cse5 .cse10 .cse11 .cse8 .cse2) (and .cse0 .cse3 .cse11 .cse9) (= (_ bv0 32) ~a21~0)))) [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,177 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,178 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,179 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-01-10 04:17:48,180 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse3 (= (_ bv8 32) ~a12~0)) (.cse8 (= (_ bv1 32) ~a17~0))) (let ((.cse4 (= ~a7~0 (_ bv1 32))) (.cse7 (= (_ bv4 32) ~a16~0)) (.cse1 (or (not .cse3) (not .cse8))) (.cse6 (= (_ bv4 32) |ULTIMATE.start_calculate_output_~input#1|)) (.cse5 (= ~a8~0 (_ bv15 32))) (.cse10 (= (_ bv0 32) ~a20~0)) (.cse2 (= (_ bv5 32) ~a16~0)) (.cse0 (= (_ bv1 32) ~a20~0)) (.cse11 (= ~a7~0 (_ bv0 32))) (.cse9 (= (_ bv1 32) ~a21~0))) (or (and (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (not .cse4) (= (_ bv6 32) ~a16~0) .cse5 (not .cse6) .cse1) (and .cse7 .cse8)) .cse9) (and .cse0 .cse4 .cse7 (= ~a8~0 (_ bv13 32)) .cse9) (and .cse10 .cse2 .cse9) (and .cse10 .cse1 .cse9) (and .cse5 .cse10 .cse11 .cse9) (and (or (= (_ bv1 32) |ULTIMATE.start_calculate_output_~input#1|) .cse6 (= (_ bv2 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv5 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv3 32) |ULTIMATE.start_calculate_output_~input#1|) (= (_ bv6 32) |ULTIMATE.start_calculate_output_~input#1|)) .cse5 .cse10 .cse11 .cse8 .cse2) (and .cse0 .cse3 .cse11 .cse9) (= (_ bv0 32) ~a21~0)))) [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 519) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-01-10 04:17:48,181 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-01-10 04:17:48,182 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,182 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,182 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,182 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,182 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 04:17:48,182 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-01-10 04:17:48,182 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-01-10 04:17:48,182 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-01-10 04:17:48,182 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-01-10 04:17:48,185 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 04:17:48,192 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 04:17:48,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 04:17:48 BoogieIcfgContainer [2022-01-10 04:17:48,221 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 04:17:48,222 INFO L158 Benchmark]: Toolchain (without parser) took 39755.28ms. Allocated memory was 202.4MB in the beginning and 456.1MB in the end (delta: 253.8MB). Free memory was 150.4MB in the beginning and 359.1MB in the end (delta: -208.7MB). Peak memory consumption was 254.4MB. Max. memory is 8.0GB. [2022-01-10 04:17:48,222 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 202.4MB. Free memory was 168.4MB in the beginning and 168.2MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 04:17:48,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.48ms. Allocated memory is still 202.4MB. Free memory was 150.2MB in the beginning and 160.9MB in the end (delta: -10.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-10 04:17:48,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.16ms. Allocated memory is still 202.4MB. Free memory was 160.9MB in the beginning and 155.3MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 04:17:48,223 INFO L158 Benchmark]: Boogie Preprocessor took 49.78ms. Allocated memory is still 202.4MB. Free memory was 155.3MB in the beginning and 151.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 04:17:48,223 INFO L158 Benchmark]: RCFGBuilder took 1160.11ms. Allocated memory is still 202.4MB. Free memory was 151.1MB in the beginning and 90.8MB in the end (delta: 60.3MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. [2022-01-10 04:17:48,223 INFO L158 Benchmark]: TraceAbstraction took 37955.27ms. Allocated memory was 202.4MB in the beginning and 456.1MB in the end (delta: 253.8MB). Free memory was 90.8MB in the beginning and 359.1MB in the end (delta: -268.3MB). Peak memory consumption was 194.7MB. Max. memory is 8.0GB. [2022-01-10 04:17:48,225 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 202.4MB. Free memory was 168.4MB in the beginning and 168.2MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 506.48ms. Allocated memory is still 202.4MB. Free memory was 150.2MB in the beginning and 160.9MB in the end (delta: -10.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 79.16ms. Allocated memory is still 202.4MB. Free memory was 160.9MB in the beginning and 155.3MB in the end (delta: 5.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.78ms. Allocated memory is still 202.4MB. Free memory was 155.3MB in the beginning and 151.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1160.11ms. Allocated memory is still 202.4MB. Free memory was 151.1MB in the beginning and 90.8MB in the end (delta: 60.3MB). Peak memory consumption was 60.8MB. Max. memory is 8.0GB. * TraceAbstraction took 37955.27ms. Allocated memory was 202.4MB in the beginning and 456.1MB in the end (delta: 253.8MB). Free memory was 90.8MB in the beginning and 359.1MB in the end (delta: -268.3MB). Peak memory consumption was 194.7MB. 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: 519]: 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: 37.9s, OverallIterations: 16, TraceHistogramMax: 8, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4572 SdHoareTripleChecker+Valid, 10.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4572 mSDsluCounter, 1706 SdHoareTripleChecker+Invalid, 8.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 322 mSDsCounter, 1110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11598 IncrementalHoareTripleChecker+Invalid, 12708 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1110 mSolverCounterUnsat, 1384 mSDtfsCounter, 11598 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3822 GetRequests, 3760 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2651occurred in iteration=9, InterpolantAutomatonStates: 92, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 2530 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 76 NumberOfFragments, 331 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4116 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 3 FomulaSimplificationsInter, 14268 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 18.7s InterpolantComputationTime, 3557 NumberOfCodeBlocks, 3557 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3808 ConstructedInterpolants, 0 QuantifiedInterpolants, 22040 SizeOfPredicates, 33 NumberOfNonLiveVariables, 4967 ConjunctsInSsa, 101 ConjunctsInUnsatCore, 17 InterpolantComputations, 15 PerfectInterpolantSequences, 4720/4764 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: (((((((((((1bv32 == a20 && (!(8bv32 == a12) || !(1bv32 == a17))) && 5bv32 == a16) || ((((((1bv32 == a20 && 8bv32 == a12) && !(a7 == 1bv32)) && 6bv32 == a16) && a8 == 15bv32) && !(4bv32 == input)) && (!(8bv32 == a12) || !(1bv32 == a17)))) || (4bv32 == a16 && 1bv32 == a17)) && 1bv32 == a21) || ((((1bv32 == a20 && a7 == 1bv32) && 4bv32 == a16) && a8 == 13bv32) && 1bv32 == a21)) || ((0bv32 == a20 && 5bv32 == a16) && 1bv32 == a21)) || ((0bv32 == a20 && (!(8bv32 == a12) || !(1bv32 == a17))) && 1bv32 == a21)) || (((a8 == 15bv32 && 0bv32 == a20) && a7 == 0bv32) && 1bv32 == a21)) || ((((((((((1bv32 == input || 4bv32 == input) || 2bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input) && a8 == 15bv32) && 0bv32 == a20) && a7 == 0bv32) && 1bv32 == a17) && 5bv32 == a16)) || (((1bv32 == a20 && 8bv32 == a12) && a7 == 0bv32) && 1bv32 == a21)) || 0bv32 == a21 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((((1bv32 == a20 && (!(8bv32 == a12) || !(1bv32 == a17))) && 5bv32 == a16) || ((((((1bv32 == a20 && 8bv32 == a12) && !(a7 == 1bv32)) && 6bv32 == a16) && a8 == 15bv32) && !(4bv32 == input)) && (!(8bv32 == a12) || !(1bv32 == a17)))) || (4bv32 == a16 && 1bv32 == a17)) && 1bv32 == a21) || ((((1bv32 == a20 && a7 == 1bv32) && 4bv32 == a16) && a8 == 13bv32) && 1bv32 == a21)) || ((0bv32 == a20 && 5bv32 == a16) && 1bv32 == a21)) || ((0bv32 == a20 && (!(8bv32 == a12) || !(1bv32 == a17))) && 1bv32 == a21)) || (((a8 == 15bv32 && 0bv32 == a20) && a7 == 0bv32) && 1bv32 == a21)) || ((((((((((1bv32 == input || 4bv32 == input) || 2bv32 == input) || 5bv32 == input) || 3bv32 == input) || 6bv32 == input) && a8 == 15bv32) && 0bv32 == a20) && a7 == 0bv32) && 1bv32 == a17) && 5bv32 == a16)) || (((1bv32 == a20 && 8bv32 == a12) && a7 == 0bv32) && 1bv32 == a21)) || 0bv32 == a21 RESULT: Ultimate proved your program to be correct! [2022-01-10 04:17:48,273 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...